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/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:23:33,317 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:23:33,318 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:23:33,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:23:33,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:23:33,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:23:33,329 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:23:33,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:23:33,333 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:23:33,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:23:33,334 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:23:33,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:23:33,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:23:33,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:23:33,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:23:33,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:23:33,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:23:33,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:23:33,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:23:33,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:23:33,345 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:23:33,350 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 04:23:33,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:23:33,360 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:23:33,361 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:23:33,361 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:23:33,361 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:23:33,361 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:23:33,361 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:23:33,362 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:23:33,363 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:23:33,363 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:23:33,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:23:33,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:23:33,363 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:23:33,363 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:23:33,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:23:33,364 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:23:33,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:23:33,364 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:23:33,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:33,393 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:23:33,403 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:23:33,406 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:23:33,407 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:23:33,407 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:23:33,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:33,540 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:23:33,541 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:23:33,542 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:33,542 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:23:33,548 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:23:33,549 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,552 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a17581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33, skipping insertion in model container [2018-02-04 04:23:33,552 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,567 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:33,595 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:33,690 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:33,702 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:33,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33 WrapperNode [2018-02-04 04:23:33,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:33,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:23:33,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:23:33,708 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:23:33,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,729 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... [2018-02-04 04:23:33,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:23:33,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:23:33,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:23:33,735 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:23:33,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-04 04:23:33,769 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:23:33,769 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:23:33,770 INFO L136 BoogieDeclarations]: Found implementation of procedure sort [2018-02-04 04:23:33,770 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure sort [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:23:33,770 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:23:33,949 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:23:33,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:33 BoogieIcfgContainer [2018-02-04 04:23:33,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:23:33,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:23:33,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:23:33,952 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:23:33,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:23:33" (1/3) ... [2018-02-04 04:23:33,952 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b865c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:33, skipping insertion in model container [2018-02-04 04:23:33,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:33" (2/3) ... [2018-02-04 04:23:33,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b865c01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:33, skipping insertion in model container [2018-02-04 04:23:33,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:33" (3/3) ... [2018-02-04 04:23:33,954 INFO L107 eAbstractionObserver]: Analyzing ICFG java_BubbleSort-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:33,959 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:23:33,964 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-02-04 04:23:33,989 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:23:33,989 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:23:33,989 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:23:33,989 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:23:33,989 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:23:33,990 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:23:33,990 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:23:33,990 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:23:33,990 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:23:34,002 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-02-04 04:23:34,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:34,009 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:34,010 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:34,010 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, sortErr7RequiresViolation, sortErr11RequiresViolation, sortErr0RequiresViolation, sortErr3RequiresViolation, sortErr9RequiresViolation, sortErr1RequiresViolation, sortErr2RequiresViolation, sortErr8RequiresViolation, sortErr10RequiresViolation, sortErr6RequiresViolation, sortErr4RequiresViolation, sortErr5RequiresViolation]=== [2018-02-04 04:23:34,013 INFO L82 PathProgramCache]: Analyzing trace with hash -1780471319, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:34,023 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:34,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,164 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:34,165 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:23:34,165 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,166 INFO L182 omatonBuilderFactory]: Interpolants [51#true, 52#false, 56#(= main_~array_size~0 1), 57#(= 1 |sort_#in~n|), 58#(and (= 1 sort_~n) (= 1 sort_~pass~0)), 59#(<= sort_~n (+ sort_~pass~0 sort_~i~0)), 60#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:23:34,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,167 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 04:23:34,175 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 04:23:34,175 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 04:23:34,177 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 7 states. [2018-02-04 04:23:34,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:34,482 INFO L93 Difference]: Finished difference Result 66 states and 70 transitions. [2018-02-04 04:23:34,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:23:34,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 16 [2018-02-04 04:23:34,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:34,492 INFO L225 Difference]: With dead ends: 66 [2018-02-04 04:23:34,493 INFO L226 Difference]: Without dead ends: 62 [2018-02-04 04:23:34,494 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-02-04 04:23:34,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-02-04 04:23:34,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2018-02-04 04:23:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-02-04 04:23:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 56 transitions. [2018-02-04 04:23:34,522 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 56 transitions. Word has length 16 [2018-02-04 04:23:34,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:34,522 INFO L432 AbstractCegarLoop]: Abstraction has 53 states and 56 transitions. [2018-02-04 04:23:34,522 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 04:23:34,522 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 56 transitions. [2018-02-04 04:23:34,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:34,523 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:34,523 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:34,523 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, sortErr7RequiresViolation, sortErr11RequiresViolation, sortErr0RequiresViolation, sortErr3RequiresViolation, sortErr9RequiresViolation, sortErr1RequiresViolation, sortErr2RequiresViolation, sortErr8RequiresViolation, sortErr10RequiresViolation, sortErr6RequiresViolation, sortErr4RequiresViolation, sortErr5RequiresViolation]=== [2018-02-04 04:23:34,523 INFO L82 PathProgramCache]: Analyzing trace with hash 2121468967, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:34,528 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:34,538 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:34,541 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:34,541 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:34,542 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:34,542 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:34,561 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:23:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:34,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,601 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:34,601 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:23:34,602 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:34,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,602 INFO L182 omatonBuilderFactory]: Interpolants [193#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 194#(= 1 (select |#valid| |main_#t~malloc9.base|)), 195#(= 1 (select |#valid| main_~numbers~0.base)), 196#(= 1 (select |#valid| |sort_#in~x.base|)), 197#(= 1 (select |#valid| sort_~x.base)), 198#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 188#true, 189#false] [2018-02-04 04:23:34,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:23:34,604 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:23:34,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:23:34,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=32, Unknown=1, NotChecked=10, Total=56 [2018-02-04 04:23:34,605 INFO L87 Difference]: Start difference. First operand 53 states and 56 transitions. Second operand 8 states. [2018-02-04 04:23:34,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:34,837 INFO L93 Difference]: Finished difference Result 47 states and 50 transitions. [2018-02-04 04:23:34,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-02-04 04:23:34,838 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-02-04 04:23:34,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:34,839 INFO L225 Difference]: With dead ends: 47 [2018-02-04 04:23:34,839 INFO L226 Difference]: Without dead ends: 47 [2018-02-04 04:23:34,840 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=4, NotChecked=18, Total=132 [2018-02-04 04:23:34,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-02-04 04:23:34,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-02-04 04:23:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-02-04 04:23:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 50 transitions. [2018-02-04 04:23:34,844 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 50 transitions. Word has length 16 [2018-02-04 04:23:34,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:34,845 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 50 transitions. [2018-02-04 04:23:34,845 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:23:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2018-02-04 04:23:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:34,846 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:34,846 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:34,846 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, sortErr7RequiresViolation, sortErr11RequiresViolation, sortErr0RequiresViolation, sortErr3RequiresViolation, sortErr9RequiresViolation, sortErr1RequiresViolation, sortErr2RequiresViolation, sortErr8RequiresViolation, sortErr10RequiresViolation, sortErr6RequiresViolation, sortErr4RequiresViolation, sortErr5RequiresViolation]=== [2018-02-04 04:23:34,846 INFO L82 PathProgramCache]: Analyzing trace with hash 2121468968, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:34,849 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:34,891 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier WARNING: array quantifier [2018-02-04 04:23:34,892 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 85 column 357: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:23:34,895 INFO L168 Benchmark]: Toolchain (without parser) took 1354.83 ms. Allocated memory was 401.1 MB in the beginning and 574.1 MB in the end (delta: 173.0 MB). Free memory was 356.4 MB in the beginning and 527.6 MB in the end (delta: -171.2 MB). Peak memory consumption was 1.8 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:34,897 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:34,897 INFO L168 Benchmark]: CACSL2BoogieTranslator took 165.53 ms. Allocated memory is still 401.1 MB. Free memory was 355.1 MB in the beginning and 345.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:34,897 INFO L168 Benchmark]: Boogie Preprocessor took 26.61 ms. Allocated memory is still 401.1 MB. Free memory was 344.6 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:34,898 INFO L168 Benchmark]: RCFGBuilder took 214.83 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 324.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:34,898 INFO L168 Benchmark]: TraceAbstraction took 944.87 ms. Allocated memory was 401.1 MB in the beginning and 574.1 MB in the end (delta: 173.0 MB). Free memory was 324.7 MB in the beginning and 527.6 MB in the end (delta: -203.0 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:34,901 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 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 165.53 ms. Allocated memory is still 401.1 MB. Free memory was 355.1 MB in the beginning and 345.9 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.61 ms. Allocated memory is still 401.1 MB. Free memory was 344.6 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 214.83 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 324.7 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 944.87 ms. Allocated memory was 401.1 MB in the beginning and 574.1 MB in the end (delta: 173.0 MB). Free memory was 324.7 MB in the beginning and 527.6 MB in the end (delta: -203.0 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 85 column 357: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 85 column 357: Sort mismatch at argument #1 for function (declare-fun >= (Int Int) Bool) supplied sort is Bool: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/java_BubbleSort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-23-34-908.csv Received shutdown request...