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/bubblesort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:23:14,035 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:23:14,036 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:23:14,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:23:14,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:23:14,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:23:14,048 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:23:14,049 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:23:14,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:23:14,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:23:14,052 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:23:14,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:23:14,053 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:23:14,055 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:23:14,055 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:23:14,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:23:14,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:23:14,060 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:23:14,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:23:14,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:23:14,064 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 04:23:14,068 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 04:23:14,078 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:23:14,079 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:23:14,080 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:23:14,080 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:23:14,080 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:23:14,080 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:23:14,080 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:23:14,081 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:23:14,082 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:23:14,082 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:23:14,083 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:23:14,083 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:23:14,083 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:23:14,083 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:14,110 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:23:14,118 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:23:14,121 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:23:14,122 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:23:14,122 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:23:14,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:14,253 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:23:14,254 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:23:14,254 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:14,254 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:23:14,259 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:23:14,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,262 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4762d03b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14, skipping insertion in model container [2018-02-04 04:23:14,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,272 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:14,299 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:14,391 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:14,405 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:14,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14 WrapperNode [2018-02-04 04:23:14,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:14,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:23:14,412 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:23:14,412 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:23:14,425 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,437 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (1/1) ... [2018-02-04 04:23:14,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:23:14,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:23:14,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:23:14,440 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:23:14,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (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 04:23:14,483 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:23:14,483 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:23:14,483 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-02-04 04:23:14,484 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:23:14,484 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-02-04 04:23:14,485 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:23:14,485 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:23:14,485 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:23:14,647 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:23:14,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:14 BoogieIcfgContainer [2018-02-04 04:23:14,647 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:23:14,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:23:14,648 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:23:14,651 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:23:14,651 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:23:14" (1/3) ... [2018-02-04 04:23:14,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c6eb22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:14, skipping insertion in model container [2018-02-04 04:23:14,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:14" (2/3) ... [2018-02-04 04:23:14,652 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49c6eb22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:14, skipping insertion in model container [2018-02-04 04:23:14,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:14" (3/3) ... [2018-02-04 04:23:14,654 INFO L107 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:14,661 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:23:14,667 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-02-04 04:23:14,692 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:23:14,693 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:23:14,693 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:23:14,693 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:23:14,693 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:23:14,693 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:23:14,693 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:23:14,693 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:23:14,694 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:23:14,705 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-02-04 04:23:14,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:14,713 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:14,714 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:14,714 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:14,717 INFO L82 PathProgramCache]: Analyzing trace with hash 334121063, 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 04:23:14,729 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:14,764 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:14,775 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:14,776 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:14,777 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:14,777 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:14,804 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 04:23:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:14,880 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 04:23:14,899 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:23:14,899 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-04 04:23:14,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:23:14,901 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 04:23:14,901 INFO L182 omatonBuilderFactory]: Interpolants [51#true, 52#false, 56#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 57#(= 1 (select |#valid| |main_#t~malloc9.base|)), 58#(= 1 (select |#valid| main_~numbers~0.base)), 59#(= 1 (select |#valid| |bubbleSort_#in~numbers.base|)), 60#(= 1 (select |#valid| bubbleSort_~numbers.base)), 61#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))] [2018-02-04 04:23:14,901 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 04:23:14,902 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 04:23:14,909 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 04:23:14,910 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=32, Unknown=1, NotChecked=10, Total=56 [2018-02-04 04:23:14,911 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 8 states. [2018-02-04 04:23:15,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:23:15,253 INFO L93 Difference]: Finished difference Result 81 states and 89 transitions. [2018-02-04 04:23:15,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 04:23:15,255 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-02-04 04:23:15,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:23:15,265 INFO L225 Difference]: With dead ends: 81 [2018-02-04 04:23:15,266 INFO L226 Difference]: Without dead ends: 78 [2018-02-04 04:23:15,267 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=96, Unknown=5, NotChecked=20, Total=156 [2018-02-04 04:23:15,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-02-04 04:23:15,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2018-02-04 04:23:15,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-02-04 04:23:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 82 transitions. [2018-02-04 04:23:15,301 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 82 transitions. Word has length 16 [2018-02-04 04:23:15,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:23:15,301 INFO L432 AbstractCegarLoop]: Abstraction has 67 states and 82 transitions. [2018-02-04 04:23:15,302 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 04:23:15,302 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 82 transitions. [2018-02-04 04:23:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-04 04:23:15,302 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:15,303 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:23:15,303 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:15,303 INFO L82 PathProgramCache]: Analyzing trace with hash 334121064, 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 04:23:15,306 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:15,348 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier WARNING: array quantifier Unsupported proof rule: (rewrite (= (+ bubbleSort_~i~0_10 (* (- 1) |main_#t~nondet8_4|)) (+ (* (- 1) |main_#t~nondet8_4|) bubbleSort_~i~0_10))) [2018-02-04 04:23:15,349 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 86 column 357: theory not supported by interpolation or bad proof 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-04 04:23:15,353 INFO L168 Benchmark]: Toolchain (without parser) took 1100.31 ms. Allocated memory is still 403.2 MB. Free memory was 361.4 MB in the beginning and 255.8 MB in the end (delta: 105.6 MB). Peak memory consumption was 105.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:15,355 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:15,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 156.96 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 350.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:15,356 INFO L168 Benchmark]: Boogie Preprocessor took 28.09 ms. Allocated memory is still 403.2 MB. Free memory was 349.5 MB in the beginning and 348.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:15,356 INFO L168 Benchmark]: RCFGBuilder took 207.54 ms. Allocated memory is still 403.2 MB. Free memory was 348.1 MB in the beginning and 330.0 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:15,356 INFO L168 Benchmark]: TraceAbstraction took 704.80 ms. Allocated memory is still 403.2 MB. Free memory was 330.0 MB in the beginning and 255.8 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:15,359 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 403.2 MB. Free memory is still 366.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 156.96 ms. Allocated memory is still 403.2 MB. Free memory was 360.1 MB in the beginning and 350.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.09 ms. Allocated memory is still 403.2 MB. Free memory was 349.5 MB in the beginning and 348.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 207.54 ms. Allocated memory is still 403.2 MB. Free memory was 348.1 MB in the beginning and 330.0 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 704.80 ms. Allocated memory is still 403.2 MB. Free memory was 330.0 MB in the beginning and 255.8 MB in the end (delta: 74.3 MB). Peak memory consumption was 74.3 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 86 column 357: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 86 column 357: theory not supported by interpolation or bad proof: 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/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-23-15-421.csv Received shutdown request...