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/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf -i ../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i
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This is Ultimate 0.1.23-26d9e06-m
[2018-02-02 08:40:45,065 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-02 08:40:45,066 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-02 08:40:45,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-02 08:40:45,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-02 08:40:45,079 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-02 08:40:45,080 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-02 08:40:45,082 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-02 08:40:45,083 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-02 08:40:45,084 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-02 08:40:45,085 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-02 08:40:45,085 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-02 08:40:45,086 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-02 08:40:45,087 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-02 08:40:45,088 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-02 08:40:45,090 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-02 08:40:45,091 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-02 08:40:45,093 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-02 08:40:45,094 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-02 08:40:45,095 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-02 08:40:45,097 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-02 08:40:45,097 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-02 08:40:45,097 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-02 08:40:45,098 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-02 08:40:45,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-02 08:40:45,100 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-02 08:40:45,100 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-02 08:40:45,100 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-02 08:40:45,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-02 08:40:45,101 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-02 08:40:45,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-02 08:40:45,101 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel.epf
[2018-02-02 08:40:45,110 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-02 08:40:45,111 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-02 08:40:45,112 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-02 08:40:45,112 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-02 08:40:45,112 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-02 08:40:45,113 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-02 08:40:45,113 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 08:40:45,114 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-02 08:40:45,114 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK
[2018-02-02 08:40:45,114 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2018-02-02 08:40:45,114 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL
[2018-02-02 08:40:45,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-02 08:40:45,150 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-02 08:40:45,152 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-02 08:40:45,153 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-02 08:40:45,154 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-02 08:40:45,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i
[2018-02-02 08:40:45,287 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-02 08:40:45,288 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-02 08:40:45,288 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-02 08:40:45,288 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-02 08:40:45,292 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-02 08:40:45,293 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,295 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34390b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45, skipping insertion in model container
[2018-02-02 08:40:45,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,305 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 08:40:45,331 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 08:40:45,421 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 08:40:45,435 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 08:40:45,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45 WrapperNode
[2018-02-02 08:40:45,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-02 08:40:45,441 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-02 08:40:45,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-02 08:40:45,442 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-02 08:40:45,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,461 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,464 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,467 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (1/1) ...
[2018-02-02 08:40:45,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-02 08:40:45,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-02 08:40:45,469 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-02 08:40:45,469 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-02 08:40:45,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (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
[2018-02-02 08:40:45,505 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-02 08:40:45,505 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-02 08:40:45,505 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort
[2018-02-02 08:40:45,505 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-02 08:40:45,505 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-02 08:40:45,506 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort
[2018-02-02 08:40:45,506 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-02 08:40:45,506 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-02 08:40:45,506 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-02 08:40:45,635 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-02 08:40:45,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:40:45 BoogieIcfgContainer
[2018-02-02 08:40:45,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-02 08:40:45,636 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-02 08:40:45,636 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-02 08:40:45,638 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-02 08:40:45,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 08:40:45" (1/3) ...
[2018-02-02 08:40:45,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec49f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:40:45, skipping insertion in model container
[2018-02-02 08:40:45,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:40:45" (2/3) ...
[2018-02-02 08:40:45,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ec49f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:40:45, skipping insertion in model container
[2018-02-02 08:40:45,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:40:45" (3/3) ...
[2018-02-02 08:40:45,641 INFO L107 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i
[2018-02-02 08:40:45,646 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2018-02-02 08:40:45,652 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations.
[2018-02-02 08:40:45,683 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-02 08:40:45,683 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-02 08:40:45,683 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP
[2018-02-02 08:40:45,683 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK
[2018-02-02 08:40:45,684 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-02 08:40:45,684 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-02 08:40:45,684 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-02 08:40:45,684 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-02 08:40:45,684 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-02 08:40:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states.
[2018-02-02 08:40:45,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2018-02-02 08:40:45,703 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:45,704 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 08:40:45,704 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:45,709 INFO L82 PathProgramCache]: Analyzing trace with hash 334121063, now seen corresponding path program 1 times
[2018-02-02 08:40:45,711 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:45,711 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:45,751 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:45,751 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:45,751 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:45,805 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:45,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 08:40:45,903 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 08:40:45,904 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-02 08:40:45,905 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states
[2018-02-02 08:40:45,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2018-02-02 08:40:45,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2018-02-02 08:40:45,915 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states.
[2018-02-02 08:40:46,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:46,174 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions.
[2018-02-02 08:40:46,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-02-02 08:40:46,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16
[2018-02-02 08:40:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:46,181 INFO L225 Difference]: With dead ends: 42
[2018-02-02 08:40:46,182 INFO L226 Difference]: Without dead ends: 39
[2018-02-02 08:40:46,183 INFO L554 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
[2018-02-02 08:40:46,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2018-02-02 08:40:46,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39.
[2018-02-02 08:40:46,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states.
[2018-02-02 08:40:46,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions.
[2018-02-02 08:40:46,207 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 16
[2018-02-02 08:40:46,208 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:46,208 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions.
[2018-02-02 08:40:46,208 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2018-02-02 08:40:46,208 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions.
[2018-02-02 08:40:46,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2018-02-02 08:40:46,208 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:46,208 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 08:40:46,209 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:46,209 INFO L82 PathProgramCache]: Analyzing trace with hash 334121064, now seen corresponding path program 1 times
[2018-02-02 08:40:46,209 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:46,209 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:46,210 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,210 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:46,210 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:46,228 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:46,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 08:40:46,343 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 08:40:46,344 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2018-02-02 08:40:46,345 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states
[2018-02-02 08:40:46,345 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2018-02-02 08:40:46,346 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2018-02-02 08:40:46,346 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states.
[2018-02-02 08:40:46,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:46,519 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions.
[2018-02-02 08:40:46,519 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-02-02 08:40:46,519 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16
[2018-02-02 08:40:46,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:46,522 INFO L225 Difference]: With dead ends: 56
[2018-02-02 08:40:46,522 INFO L226 Difference]: Without dead ends: 56
[2018-02-02 08:40:46,523 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2018-02-02 08:40:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2018-02-02 08:40:46,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50.
[2018-02-02 08:40:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states.
[2018-02-02 08:40:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions.
[2018-02-02 08:40:46,528 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 16
[2018-02-02 08:40:46,528 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:46,528 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions.
[2018-02-02 08:40:46,528 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2018-02-02 08:40:46,529 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions.
[2018-02-02 08:40:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2018-02-02 08:40:46,530 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:46,530 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 08:40:46,530 INFO L371 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:46,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1789385763, now seen corresponding path program 1 times
[2018-02-02 08:40:46,531 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:46,531 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:46,531 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,531 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:46,532 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:46,541 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:46,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 08:40:46,570 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 08:40:46,570 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2018-02-02 08:40:46,570 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-02 08:40:46,570 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-02 08:40:46,571 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2018-02-02 08:40:46,571 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 5 states.
[2018-02-02 08:40:46,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:46,593 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions.
[2018-02-02 08:40:46,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-02 08:40:46,593 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19
[2018-02-02 08:40:46,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:46,595 INFO L225 Difference]: With dead ends: 84
[2018-02-02 08:40:46,595 INFO L226 Difference]: Without dead ends: 82
[2018-02-02 08:40:46,596 INFO L554 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
[2018-02-02 08:40:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states.
[2018-02-02 08:40:46,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52.
[2018-02-02 08:40:46,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states.
[2018-02-02 08:40:46,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions.
[2018-02-02 08:40:46,601 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 19
[2018-02-02 08:40:46,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:46,602 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions.
[2018-02-02 08:40:46,602 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-02 08:40:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions.
[2018-02-02 08:40:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2018-02-02 08:40:46,603 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:46,603 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 08:40:46,603 INFO L371 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:46,603 INFO L82 PathProgramCache]: Analyzing trace with hash -120775682, now seen corresponding path program 1 times
[2018-02-02 08:40:46,603 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:46,603 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:46,604 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,604 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:46,605 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:46,619 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:46,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2018-02-02 08:40:46,661 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 08:40:46,661 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2018-02-02 08:40:46,662 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states
[2018-02-02 08:40:46,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2018-02-02 08:40:46,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2018-02-02 08:40:46,662 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states.
[2018-02-02 08:40:46,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:46,729 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions.
[2018-02-02 08:40:46,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2018-02-02 08:40:46,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22
[2018-02-02 08:40:46,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:46,730 INFO L225 Difference]: With dead ends: 53
[2018-02-02 08:40:46,730 INFO L226 Difference]: Without dead ends: 53
[2018-02-02 08:40:46,731 INFO L554 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
[2018-02-02 08:40:46,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2018-02-02 08:40:46,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 40.
[2018-02-02 08:40:46,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states.
[2018-02-02 08:40:46,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions.
[2018-02-02 08:40:46,734 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 22
[2018-02-02 08:40:46,734 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:46,734 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions.
[2018-02-02 08:40:46,734 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states.
[2018-02-02 08:40:46,734 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions.
[2018-02-02 08:40:46,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2018-02-02 08:40:46,736 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:46,737 INFO L351 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 08:40:46,737 INFO L371 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:46,737 INFO L82 PathProgramCache]: Analyzing trace with hash 550921116, now seen corresponding path program 1 times
[2018-02-02 08:40:46,737 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:46,737 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:46,738 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,738 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:46,738 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:46,749 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:46,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-02 08:40:46,845 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more.
[2018-02-02 08:40:46,846 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP
No working directory specified, using /home/ultimate/work/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
[2018-02-02 08:40:46,853 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:46,876 INFO L270 TraceCheckSpWp]: Computing forward predicates...
[2018-02-02 08:40:46,904 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
[2018-02-02 08:40:46,906 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts.
[2018-02-02 08:40:46,909 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts.
[2018-02-02 08:40:46,909 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11
[2018-02-02 08:40:47,011 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-02 08:40:47,029 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2018-02-02 08:40:47,029 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13
[2018-02-02 08:40:47,029 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states
[2018-02-02 08:40:47,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2018-02-02 08:40:47,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182
[2018-02-02 08:40:47,030 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 14 states.
[2018-02-02 08:40:47,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:47,269 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions.
[2018-02-02 08:40:47,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2018-02-02 08:40:47,269 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23
[2018-02-02 08:40:47,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:47,270 INFO L225 Difference]: With dead ends: 39
[2018-02-02 08:40:47,270 INFO L226 Difference]: Without dead ends: 39
[2018-02-02 08:40:47,270 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342
[2018-02-02 08:40:47,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states.
[2018-02-02 08:40:47,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35.
[2018-02-02 08:40:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states.
[2018-02-02 08:40:47,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions.
[2018-02-02 08:40:47,272 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 23
[2018-02-02 08:40:47,272 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:47,272 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions.
[2018-02-02 08:40:47,272 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states.
[2018-02-02 08:40:47,272 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions.
[2018-02-02 08:40:47,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2018-02-02 08:40:47,273 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 08:40:47,273 INFO L351 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]
[2018-02-02 08:40:47,273 INFO L371 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 08:40:47,273 INFO L82 PathProgramCache]: Analyzing trace with hash -996967546, now seen corresponding path program 1 times
[2018-02-02 08:40:47,273 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS
[2018-02-02 08:40:47,273 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy
[2018-02-02 08:40:47,274 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:47,274 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2018-02-02 08:40:47,274 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order
[2018-02-02 08:40:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 08:40:47,281 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 08:40:47,314 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2018-02-02 08:40:47,314 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2018-02-02 08:40:47,314 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2018-02-02 08:40:47,314 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states
[2018-02-02 08:40:47,315 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2018-02-02 08:40:47,315 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2018-02-02 08:40:47,315 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states.
[2018-02-02 08:40:47,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2018-02-02 08:40:47,340 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions.
[2018-02-02 08:40:47,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2018-02-02 08:40:47,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24
[2018-02-02 08:40:47,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2018-02-02 08:40:47,340 INFO L225 Difference]: With dead ends: 34
[2018-02-02 08:40:47,340 INFO L226 Difference]: Without dead ends: 0
[2018-02-02 08:40:47,341 INFO L554 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
[2018-02-02 08:40:47,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2018-02-02 08:40:47,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2018-02-02 08:40:47,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2018-02-02 08:40:47,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2018-02-02 08:40:47,341 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24
[2018-02-02 08:40:47,341 INFO L84 Accepts]: Finished accepts. word is rejected.
[2018-02-02 08:40:47,341 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2018-02-02 08:40:47,341 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states.
[2018-02-02 08:40:47,341 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2018-02-02 08:40:47,341 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2018-02-02 08:40:47,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.02 08:40:47 BoogieIcfgContainer
[2018-02-02 08:40:47,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2018-02-02 08:40:47,345 INFO L168 Benchmark]: Toolchain (without parser) took 2057.99 ms. Allocated memory was 405.8 MB in the beginning and 634.4 MB in the end (delta: 228.6 MB). Free memory was 362.5 MB in the beginning and 573.8 MB in the end (delta: -211.4 MB). Peak memory consumption was 17.2 MB. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,346 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 405.8 MB. Free memory is still 367.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 152.83 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 351.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,346 INFO L168 Benchmark]: Boogie Preprocessor took 27.25 ms. Allocated memory is still 405.8 MB. Free memory was 351.9 MB in the beginning and 349.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,347 INFO L168 Benchmark]: RCFGBuilder took 166.57 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 332.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,347 INFO L168 Benchmark]: TraceAbstraction took 1708.89 ms. Allocated memory was 405.8 MB in the beginning and 634.4 MB in the end (delta: 228.6 MB). Free memory was 332.0 MB in the beginning and 573.8 MB in the end (delta: -241.9 MB). There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 08:40:47,348 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.10 ms. Allocated memory is still 405.8 MB. Free memory is still 367.8 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 152.83 ms. Allocated memory is still 405.8 MB. Free memory was 362.5 MB in the beginning and 351.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 27.25 ms. Allocated memory is still 405.8 MB. Free memory was 351.9 MB in the beginning and 349.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 166.57 ms. Allocated memory is still 405.8 MB. Free memory was 349.3 MB in the beginning and 332.0 MB in the end (delta: 17.3 MB). Peak memory consumption was 17.3 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 1708.89 ms. Allocated memory was 405.8 MB in the beginning and 634.4 MB in the end (delta: 228.6 MB). Free memory was 332.0 MB in the beginning and 573.8 MB in the end (delta: -241.9 MB). There was no memory consumed. Max. memory is 5.3 GB.
* 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
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 48 locations, 13 error locations. SAFE Result, 1.6s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 348 SDslu, 389 SDs, 0 SdLazy, 414 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s 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, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s 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, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
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_Camel.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_08-40-47-354.csv
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_Camel.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-02_08-40-47-354.csv
Received shutdown request...