java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.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 11:39:33,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 11:39:33,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 11:39:33,529 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 11:39:33,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 11:39:33,530 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 11:39:33,531 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 11:39:33,532 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 11:39:33,534 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 11:39:33,534 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 11:39:33,535 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 11:39:33,535 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 11:39:33,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 11:39:33,537 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 11:39:33,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 11:39:33,540 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 11:39:33,542 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 11:39:33,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 11:39:33,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 11:39:33,547 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 11:39:33,549 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-24 11:39:33,550 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-24 11:39:33,550 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-24 11:39:33,551 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-24 11:39:33,552 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-24 11:39:33,553 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-24 11:39:33,553 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-24 11:39:33,554 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-24 11:39:33,554 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-24 11:39:33,555 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 11:39:33,555 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 11:39:33,556 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ.epf [2018-01-24 11:39:33,566 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 11:39:33,566 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 11:39:33,567 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 11:39:33,567 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 11:39:33,567 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 11:39:33,567 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 11:39:33,567 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 11:39:33,568 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 11:39:33,568 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 11:39:33,568 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 11:39:33,569 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 11:39:33,569 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 11:39:33,569 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 11:39:33,569 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 11:39:33,569 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 11:39:33,570 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 11:39:33,570 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 11:39:33,570 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 11:39:33,570 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 11:39:33,570 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 11:39:33,571 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 11:39:33,571 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 11:39:33,571 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 11:39:33,571 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 11:39:33,571 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 11:39:33,571 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 11:39:33,572 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 11:39:33,572 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 11:39:33,572 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-24 11:39:33,572 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 11:39:33,572 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 11:39:33,573 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 11:39:33,573 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 11:39:33,574 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 11:39:33,608 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 11:39:33,621 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 11:39:33,625 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 11:39:33,627 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 11:39:33,627 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 11:39:33,628 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 11:39:33,787 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 11:39:33,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 11:39:33,794 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 11:39:33,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 11:39:33,802 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 11:39:33,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:39:33" (1/1) ... [2018-01-24 11:39:33,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319d8693 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:33, skipping insertion in model container [2018-01-24 11:39:33,806 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 11:39:33" (1/1) ... [2018-01-24 11:39:33,825 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 11:39:33,865 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 11:39:33,980 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 11:39:33,995 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 11:39:34,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34 WrapperNode [2018-01-24 11:39:34,002 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 11:39:34,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 11:39:34,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 11:39:34,003 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 11:39:34,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,030 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,030 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,035 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,036 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (1/1) ... [2018-01-24 11:39:34,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 11:39:34,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 11:39:34,038 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 11:39:34,038 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 11:39:34,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (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 11:39:34,084 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 11:39:34,084 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 11:39:34,084 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-01-24 11:39:34,084 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 11:39:34,085 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 11:39:34,086 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-01-24 11:39:34,086 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 11:39:34,086 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 11:39:34,086 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 11:39:34,285 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 11:39:34,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:39:34 BoogieIcfgContainer [2018-01-24 11:39:34,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 11:39:34,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 11:39:34,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 11:39:34,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 11:39:34,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 11:39:33" (1/3) ... [2018-01-24 11:39:34,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c271ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:39:34, skipping insertion in model container [2018-01-24 11:39:34,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 11:39:34" (2/3) ... [2018-01-24 11:39:34,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c271ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 11:39:34, skipping insertion in model container [2018-01-24 11:39:34,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 11:39:34" (3/3) ... [2018-01-24 11:39:34,292 INFO L105 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 11:39:34,298 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 11:39:34,303 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-24 11:39:34,348 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 11:39:34,348 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 11:39:34,348 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 11:39:34,348 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 11:39:34,349 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 11:39:34,349 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 11:39:34,349 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 11:39:34,349 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 11:39:34,350 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 11:39:34,370 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-01-24 11:39:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 11:39:34,375 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:34,377 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:39:34,377 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:34,383 INFO L82 PathProgramCache]: Analyzing trace with hash 334121063, now seen corresponding path program 1 times [2018-01-24 11:39:34,385 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:34,386 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:34,430 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:34,431 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:34,431 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:34,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:34,486 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:34,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 11:39:34,635 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:39:34,635 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:39:34,637 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 11:39:34,647 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 11:39:34,648 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 11:39:34,650 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2018-01-24 11:39:34,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:34,903 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2018-01-24 11:39:34,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 11:39:34,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-01-24 11:39:34,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:34,912 INFO L225 Difference]: With dead ends: 79 [2018-01-24 11:39:34,912 INFO L226 Difference]: Without dead ends: 39 [2018-01-24 11:39:34,915 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 11:39:34,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-24 11:39:34,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-01-24 11:39:34,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-01-24 11:39:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-01-24 11:39:34,949 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 16 [2018-01-24 11:39:34,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:34,949 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-01-24 11:39:34,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 11:39:34,949 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-01-24 11:39:34,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 11:39:34,950 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:34,950 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 11:39:34,950 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:34,950 INFO L82 PathProgramCache]: Analyzing trace with hash 334121064, now seen corresponding path program 1 times [2018-01-24 11:39:34,951 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:34,951 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:34,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:34,952 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:34,952 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:34,976 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:35,156 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 11:39:35,156 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:39:35,156 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-24 11:39:35,158 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 11:39:35,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 11:39:35,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-24 11:39:35,159 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-01-24 11:39:35,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:35,468 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-01-24 11:39:35,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 11:39:35,468 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-01-24 11:39:35,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:35,471 INFO L225 Difference]: With dead ends: 62 [2018-01-24 11:39:35,471 INFO L226 Difference]: Without dead ends: 56 [2018-01-24 11:39:35,472 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 11:39:35,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-24 11:39:35,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-01-24 11:39:35,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-24 11:39:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-01-24 11:39:35,478 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 16 [2018-01-24 11:39:35,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:35,479 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-01-24 11:39:35,479 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 11:39:35,479 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-01-24 11:39:35,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 11:39:35,479 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:35,479 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 11:39:35,480 INFO L371 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:35,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1789385763, now seen corresponding path program 1 times [2018-01-24 11:39:35,480 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:35,480 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:35,481 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,481 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:35,481 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:35,493 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:35,527 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 11:39:35,527 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:39:35,527 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 11:39:35,527 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 11:39:35,528 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 11:39:35,528 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 11:39:35,528 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 5 states. [2018-01-24 11:39:35,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:35,613 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2018-01-24 11:39:35,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 11:39:35,614 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-01-24 11:39:35,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:35,617 INFO L225 Difference]: With dead ends: 89 [2018-01-24 11:39:35,617 INFO L226 Difference]: Without dead ends: 82 [2018-01-24 11:39:35,618 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 11:39:35,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-01-24 11:39:35,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52. [2018-01-24 11:39:35,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-24 11:39:35,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-01-24 11:39:35,629 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 19 [2018-01-24 11:39:35,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:35,629 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-01-24 11:39:35,629 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 11:39:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-01-24 11:39:35,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 11:39:35,631 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:35,631 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 11:39:35,631 INFO L371 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:35,631 INFO L82 PathProgramCache]: Analyzing trace with hash -120775682, now seen corresponding path program 1 times [2018-01-24 11:39:35,631 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:35,632 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:35,633 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,633 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:35,633 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:35,650 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:35,704 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 11:39:35,704 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:39:35,704 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 11:39:35,705 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 11:39:35,705 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 11:39:35,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 11:39:35,705 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-01-24 11:39:35,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:35,756 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2018-01-24 11:39:35,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 11:39:35,756 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-01-24 11:39:35,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:35,757 INFO L225 Difference]: With dead ends: 58 [2018-01-24 11:39:35,757 INFO L226 Difference]: Without dead ends: 53 [2018-01-24 11:39:35,758 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 11:39:35,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-24 11:39:35,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 40. [2018-01-24 11:39:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-24 11:39:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-01-24 11:39:35,763 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 22 [2018-01-24 11:39:35,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:35,764 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-01-24 11:39:35,764 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 11:39:35,764 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-01-24 11:39:35,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 11:39:35,765 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:35,765 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 11:39:35,765 INFO L371 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:35,765 INFO L82 PathProgramCache]: Analyzing trace with hash 550921116, now seen corresponding path program 1 times [2018-01-24 11:39:35,765 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:35,765 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:35,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,766 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:35,766 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:35,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:35,779 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:35,904 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 11:39:35,904 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 11:39:35,904 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP 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 11:39:35,914 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:35,943 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 11:39:35,983 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 11:39:35,985 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 11:39:35,989 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 11:39:35,989 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 11:39:36,338 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 11:39:36,372 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-01-24 11:39:36,372 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2018-01-24 11:39:36,372 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-01-24 11:39:36,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-01-24 11:39:36,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2018-01-24 11:39:36,373 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 14 states. [2018-01-24 11:39:36,835 WARN L146 SmtUtils]: Spent 291ms on a formula simplification. DAG size of input: 41 DAG size of output 30 [2018-01-24 11:39:37,103 WARN L146 SmtUtils]: Spent 247ms on a formula simplification. DAG size of input: 43 DAG size of output 32 [2018-01-24 11:39:37,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:37,147 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-01-24 11:39:37,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 11:39:37,148 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2018-01-24 11:39:37,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:37,148 INFO L225 Difference]: With dead ends: 40 [2018-01-24 11:39:37,149 INFO L226 Difference]: Without dead ends: 39 [2018-01-24 11:39:37,149 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2018-01-24 11:39:37,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-24 11:39:37,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2018-01-24 11:39:37,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-24 11:39:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-24 11:39:37,154 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 23 [2018-01-24 11:39:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:37,154 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-24 11:39:37,155 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-01-24 11:39:37,155 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-24 11:39:37,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 11:39:37,155 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 11:39:37,155 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 11:39:37,155 INFO L371 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 11:39:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash -996967546, now seen corresponding path program 1 times [2018-01-24 11:39:37,156 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-24 11:39:37,156 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-24 11:39:37,157 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:37,157 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 11:39:37,157 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 11:39:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 11:39:37,168 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 11:39:37,217 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 11:39:37,217 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 11:39:37,218 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 11:39:37,218 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 11:39:37,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 11:39:37,218 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 11:39:37,218 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-01-24 11:39:37,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 11:39:37,255 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-01-24 11:39:37,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 11:39:37,256 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-01-24 11:39:37,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 11:39:37,256 INFO L225 Difference]: With dead ends: 35 [2018-01-24 11:39:37,256 INFO L226 Difference]: Without dead ends: 0 [2018-01-24 11:39:37,257 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 11:39:37,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-24 11:39:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-24 11:39:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-24 11:39:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-24 11:39:37,257 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-24 11:39:37,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 11:39:37,258 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-24 11:39:37,258 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 11:39:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-24 11:39:37,258 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-24 11:39:37,262 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-24 11:39:37,558 WARN L146 SmtUtils]: Spent 225ms on a formula simplification. DAG size of input: 53 DAG size of output 44 [2018-01-24 11:39:37,646 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr2RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,646 INFO L401 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-24 11:39:37,646 INFO L401 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr3RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point L543(lines 543 551) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr1RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr4RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,647 INFO L401 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-24 11:39:37,648 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr0RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,648 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr10RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,648 INFO L397 ceAbstractionStarter]: At program point L543'''(lines 543 551) the Hoare annotation is: (or (and (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= (+ bubbleSort_~i~2 1) v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| bubbleSort_~numbers.base)))) (and (= bubbleSort_~numbers.offset 0) (= 1 (select |#valid| bubbleSort_~numbers.base)))) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|)) (not (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |bubbleSort_#in~array_size| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| |bubbleSort_#in~numbers.base|)))))) [2018-01-24 11:39:37,648 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr6RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,648 INFO L401 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point L543''(lines 543 551) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L397 ceAbstractionStarter]: At program point L544'''(lines 544 550) the Hoare annotation is: (or (let ((.cse0 (= bubbleSort_~numbers.offset 0)) (.cse1 (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= (+ bubbleSort_~i~2 1) v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| bubbleSort_~numbers.base))))) (.cse2 (= 1 (select |#valid| bubbleSort_~numbers.base)))) (or (and .cse0 (= bubbleSort_~j~2 1) .cse1 .cse2) (let ((.cse3 (+ (* 4 bubbleSort_~j~2) bubbleSort_~numbers.offset))) (and .cse0 (<= 8 .cse3) .cse1 (<= .cse3 (select |#length| bubbleSort_~numbers.base)) .cse2)))) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|)) (not (exists ((v_main_~array_size~6_BEFORE_CALL_1 Int)) (and (<= |bubbleSort_#in~array_size| v_main_~array_size~6_BEFORE_CALL_1) (= (* 4 v_main_~array_size~6_BEFORE_CALL_1) (select |#length| |bubbleSort_#in~numbers.base|)))))) [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr7RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point L543''''(lines 543 551) no Hoare annotation was computed. [2018-01-24 11:39:37,649 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr8RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr9RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point bubbleSortEXIT(lines 540 552) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr5RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr11RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L401 ceAbstractionStarter]: For program point L544''(lines 544 550) no Hoare annotation was computed. [2018-01-24 11:39:37,650 INFO L404 ceAbstractionStarter]: At program point bubbleSortENTRY(lines 540 552) the Hoare annotation is: true [2018-01-24 11:39:37,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,651 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 11:39:37,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,651 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 561) the Hoare annotation is: true [2018-01-24 11:39:37,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,651 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 561) the Hoare annotation is: true [2018-01-24 11:39:37,651 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-24 11:39:37,651 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 553 561) no Hoare annotation was computed. [2018-01-24 11:39:37,652 INFO L401 ceAbstractionStarter]: For program point L555(lines 555 557) no Hoare annotation was computed. [2018-01-24 11:39:37,652 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 11:39:37,652 INFO L401 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-24 11:39:37,652 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 553 561) no Hoare annotation was computed. [2018-01-24 11:39:37,652 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 553 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 11:39:37,652 INFO L401 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-01-24 11:39:37,652 INFO L401 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-01-24 11:39:37,653 INFO L401 ceAbstractionStarter]: For program point L555''(lines 555 557) no Hoare annotation was computed. [2018-01-24 11:39:37,653 INFO L401 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-01-24 11:39:37,653 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 553 561) no Hoare annotation was computed. [2018-01-24 11:39:37,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,659 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,660 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,662 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,663 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,663 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,667 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,668 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,669 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,669 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,670 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,672 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,672 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,673 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,673 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,675 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,676 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,676 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,676 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,676 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 11:39:37 BoogieIcfgContainer [2018-01-24 11:39:37,678 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 11:39:37,679 INFO L168 Benchmark]: Toolchain (without parser) took 3891.57 ms. Allocated memory was 308.3 MB in the beginning and 480.8 MB in the end (delta: 172.5 MB). Free memory was 267.2 MB in the beginning and 339.0 MB in the end (delta: -71.9 MB). Peak memory consumption was 100.6 MB. Max. memory is 5.3 GB. [2018-01-24 11:39:37,680 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 11:39:37,681 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.77 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 257.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 11:39:37,681 INFO L168 Benchmark]: Boogie Preprocessor took 35.25 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 255.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 11:39:37,681 INFO L168 Benchmark]: RCFGBuilder took 247.93 ms. Allocated memory is still 308.3 MB. Free memory was 255.2 MB in the beginning and 236.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-24 11:39:37,682 INFO L168 Benchmark]: TraceAbstraction took 3391.86 ms. Allocated memory was 308.3 MB in the beginning and 480.8 MB in the end (delta: 172.5 MB). Free memory was 236.3 MB in the beginning and 339.0 MB in the end (delta: -102.7 MB). Peak memory consumption was 69.8 MB. Max. memory is 5.3 GB. [2018-01-24 11:39:37,683 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 308.3 MB. Free memory is still 273.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 207.77 ms. Allocated memory is still 308.3 MB. Free memory was 267.2 MB in the beginning and 257.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 35.25 ms. Allocated memory is still 308.3 MB. Free memory was 257.2 MB in the beginning and 255.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 247.93 ms. Allocated memory is still 308.3 MB. Free memory was 255.2 MB in the beginning and 236.3 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3391.86 ms. Allocated memory was 308.3 MB in the beginning and 480.8 MB in the end (delta: 172.5 MB). Free memory was 236.3 MB in the beginning and 339.0 MB in the end (delta: -102.7 MB). Peak memory consumption was 69.8 MB. Max. memory is 5.3 GB. * 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_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,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 11:39:37,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,689 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,690 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,690 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,690 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,690 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,691 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,693 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,694 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,694 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,694 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,694 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,695 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((numbers == 0 && j == 1) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: i + 1 <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[numbers])) && 1 == \valid[numbers]) || ((((numbers == 0 && 8 <= 4 * j + numbers) && (\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: i + 1 <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[numbers])) && 4 * j + numbers <= unknown-#length-unknown[numbers]) && 1 == \valid[numbers])) || !(\valid[numbers] == 1)) || !(0 == numbers)) || !(\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(array_size) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[numbers]) - InvariantResult [Line: 543]: Loop Invariant [2018-01-24 11:39:37,696 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,697 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,697 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,697 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,697 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,698 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,699 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_1,QUANTIFIED] [2018-01-24 11:39:37,699 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 11:39:37,700 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: i + 1 <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[numbers]) && numbers == 0 && 1 == \valid[numbers]) || !(\valid[numbers] == 1)) || !(0 == numbers)) || !(\exists v_main_~array_size~6_BEFORE_CALL_1 : int :: \old(array_size) <= v_main_~array_size~6_BEFORE_CALL_1 && 4 * v_main_~array_size~6_BEFORE_CALL_1 == unknown-#length-unknown[numbers]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 48 locations, 13 error locations. SAFE Result, 3.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 348 SDslu, 389 SDs, 0 SdLazy, 414 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 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, 0.0s AbstIntTime, 0 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, 284 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 243 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 136 ConstructedInterpolants, 13 QuantifiedInterpolants, 16933 SizeOfPredicates, 7 NumberOfNonLiveVariables, 90 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 9/13 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_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_11-39-37-704.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_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_11-39-37-704.csv Received shutdown request...