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_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:36:09,283 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:36:09,284 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:36:09,293 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:36:09,294 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:36:09,294 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:36:09,295 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:36:09,297 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:36:09,298 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:36:09,299 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:36:09,300 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:36:09,300 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:36:09,301 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:36:09,302 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:36:09,302 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:36:09,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:36:09,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:36:09,307 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:36:09,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:36:09,309 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:36:09,311 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-02 10:36:09,316 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:36:09,325 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:36:09,326 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:36:09,327 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:36:09,327 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:36:09,327 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:36:09,327 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:36:09,327 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:36:09,327 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:36:09,327 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:36:09,328 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:36:09,329 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:36:09,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:36:09,329 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:36:09,329 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:36:09,329 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:36:09,329 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:36:09,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:36:09,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:36:09,330 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:36:09,359 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:36:09,372 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:36:09,376 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:36:09,377 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:36:09,377 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:36:09,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:09,489 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:36:09,490 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:36:09,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:09,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:36:09,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:36:09,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,498 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc5225c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09, skipping insertion in model container [2018-02-02 10:36:09,499 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,513 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:09,546 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:09,635 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:09,646 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:09,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09 WrapperNode [2018-02-02 10:36:09,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:09,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:36:09,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:36:09,651 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:36:09,665 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (1/1) ... [2018-02-02 10:36:09,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:36:09,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:36:09,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:36:09,686 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:36:09,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (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 10:36:09,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:36:09,735 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:36:09,735 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-02-02 10:36:09,736 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:36:09,736 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-02-02 10:36:09,737 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:36:09,737 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:36:09,737 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:36:09,897 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:36:09,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:09 BoogieIcfgContainer [2018-02-02 10:36:09,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:36:09,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:36:09,898 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:36:09,900 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:36:09,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:36:09" (1/3) ... [2018-02-02 10:36:09,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ba4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:09, skipping insertion in model container [2018-02-02 10:36:09,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:09" (2/3) ... [2018-02-02 10:36:09,901 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ba4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:09, skipping insertion in model container [2018-02-02 10:36:09,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:09" (3/3) ... [2018-02-02 10:36:09,902 INFO L107 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:09,907 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:36:09,912 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-02-02 10:36:09,936 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:36:09,936 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:36:09,936 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:36:09,936 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:36:09,936 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:36:09,936 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:36:09,936 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:36:09,936 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:36:09,937 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:36:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-02-02 10:36:09,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:36:09,954 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:09,955 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:09,955 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:09,958 INFO L82 PathProgramCache]: Analyzing trace with hash 334121063, now seen corresponding path program 1 times [2018-02-02 10:36:09,993 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:10,026 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:10,095 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 10:36:10,097 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:10,097 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 10:36:10,097 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:10,098 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 10:36:10,098 INFO L182 omatonBuilderFactory]: Interpolants [51#true, 52#false, 53#(= 1 (select |#valid| |main_#t~malloc9.base|)), 54#(= 1 (select |#valid| main_~numbers~0.base)), 55#(= 1 (select |#valid| |bubbleSort_#in~numbers.base|)), 56#(= 1 (select |#valid| bubbleSort_~numbers.base))] [2018-02-02 10:36:10,098 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 10:36:10,099 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-02-02 10:36:10,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-02-02 10:36:10,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-02-02 10:36:10,108 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2018-02-02 10:36:10,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:10,216 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-02-02 10:36:10,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:36:10,218 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-02-02 10:36:10,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:10,273 INFO L225 Difference]: With dead ends: 42 [2018-02-02 10:36:10,273 INFO L226 Difference]: Without dead ends: 39 [2018-02-02 10:36:10,275 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:36:10,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-02-02 10:36:10,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-02-02 10:36:10,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-02-02 10:36:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-02-02 10:36:10,302 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 16 [2018-02-02 10:36:10,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:10,302 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-02-02 10:36:10,303 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-02-02 10:36:10,303 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-02-02 10:36:10,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-02-02 10:36:10,303 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:10,303 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:10,303 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:10,304 INFO L82 PathProgramCache]: Analyzing trace with hash 334121064, now seen corresponding path program 1 times [2018-02-02 10:36:10,305 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:10,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:10,322 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:10,430 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 10:36:10,431 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:10,431 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-02-02 10:36:10,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:10,432 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 10:36:10,432 INFO L182 omatonBuilderFactory]: Interpolants [144#(and (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|)), 145#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base))), 146#(and (= 0 |bubbleSort_#in~numbers.offset|) (<= (* 4 |bubbleSort_#in~array_size|) (select |#length| |bubbleSort_#in~numbers.base|))), 147#(and (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~i~0) 4) (select |#length| bubbleSort_~numbers.base))), 148#(and (= bubbleSort_~numbers.offset 0) (= bubbleSort_~j~0 1) (<= (+ (* 4 bubbleSort_~i~0) 4) (select |#length| bubbleSort_~numbers.base))), 149#(and (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~j~0) 4) (select |#length| bubbleSort_~numbers.base)) (= bubbleSort_~j~0 1)), 142#true, 143#false] [2018-02-02 10:36:10,432 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 10:36:10,434 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 10:36:10,434 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 10:36:10,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:36:10,435 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-02-02 10:36:10,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:10,672 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2018-02-02 10:36:10,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 10:36:10,673 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-02-02 10:36:10,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:10,676 INFO L225 Difference]: With dead ends: 56 [2018-02-02 10:36:10,676 INFO L226 Difference]: Without dead ends: 56 [2018-02-02 10:36:10,677 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-02-02 10:36:10,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-02-02 10:36:10,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-02-02 10:36:10,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-02-02 10:36:10,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-02-02 10:36:10,682 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 16 [2018-02-02 10:36:10,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:10,682 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-02-02 10:36:10,683 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 10:36:10,683 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-02-02 10:36:10,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-02-02 10:36:10,683 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:10,683 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 10:36:10,684 INFO L371 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:10,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1789385763, now seen corresponding path program 1 times [2018-02-02 10:36:10,685 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:10,693 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:10,719 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 10:36:10,720 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:10,720 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-02-02 10:36:10,720 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:10,720 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 10:36:10,721 INFO L182 omatonBuilderFactory]: Interpolants [264#true, 265#false, 266#(<= 1 main_~array_size~0), 267#(<= |bubbleSort_#in~array_size| (+ bubbleSort_~i~0 1)), 268#(<= |bubbleSort_#in~array_size| 0)] [2018-02-02 10:36:10,721 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 10:36:10,721 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:36:10,722 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:36:10,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:36:10,722 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 5 states. [2018-02-02 10:36:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:10,751 INFO L93 Difference]: Finished difference Result 84 states and 93 transitions. [2018-02-02 10:36:10,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-02-02 10:36:10,751 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-02-02 10:36:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:10,753 INFO L225 Difference]: With dead ends: 84 [2018-02-02 10:36:10,753 INFO L226 Difference]: Without dead ends: 82 [2018-02-02 10:36:10,754 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 10:36:10,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-02-02 10:36:10,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52. [2018-02-02 10:36:10,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-02-02 10:36:10,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-02-02 10:36:10,760 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 19 [2018-02-02 10:36:10,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:10,760 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-02-02 10:36:10,760 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:36:10,760 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-02-02 10:36:10,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-02-02 10:36:10,761 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:10,761 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 10:36:10,761 INFO L371 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:10,761 INFO L82 PathProgramCache]: Analyzing trace with hash -120775682, now seen corresponding path program 1 times [2018-02-02 10:36:10,762 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:10,774 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:10,818 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 10:36:10,818 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-02 10:36:10,818 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-02-02 10:36:10,818 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:10,819 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 10:36:10,819 INFO L182 omatonBuilderFactory]: Interpolants [407#true, 408#false, 409#(<= 4 (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset)), 410#(and (<= (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset 4) (select |#length| bubbleSort_~numbers.base)) (<= 4 (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset))), 411#(and (<= 8 (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset)) (<= (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset) (select |#length| bubbleSort_~numbers.base)))] [2018-02-02 10:36:10,819 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 10:36:10,819 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-02-02 10:36:10,819 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-02-02 10:36:10,820 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-02-02 10:36:10,820 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-02-02 10:36:10,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:10,858 INFO L93 Difference]: Finished difference Result 53 states and 59 transitions. [2018-02-02 10:36:10,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-02-02 10:36:10,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-02-02 10:36:10,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:10,859 INFO L225 Difference]: With dead ends: 53 [2018-02-02 10:36:10,859 INFO L226 Difference]: Without dead ends: 53 [2018-02-02 10:36:10,859 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 10:36:10,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-02-02 10:36:10,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 40. [2018-02-02 10:36:10,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-02-02 10:36:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-02-02 10:36:10,862 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 22 [2018-02-02 10:36:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:10,862 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-02-02 10:36:10,862 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-02-02 10:36:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-02-02 10:36:10,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 10:36:10,862 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:10,862 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 10:36:10,862 INFO L371 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:10,863 INFO L82 PathProgramCache]: Analyzing trace with hash 550921116, now seen corresponding path program 1 times [2018-02-02 10:36:10,863 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:10,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:10,874 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:10,973 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 10:36:10,973 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-02-02 10:36:10,973 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-02-02 10:36:10,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-02 10:36:10,974 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 10:36:10,974 INFO L182 omatonBuilderFactory]: Interpolants [512#(and (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~i~0) 4) (select |#length| bubbleSort_~numbers.base))), 513#(and (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~j~0) 4) (select |#length| bubbleSort_~numbers.base))), 514#(and (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~j~0) 4) (select |#length| bubbleSort_~numbers.base)) (<= 4 (+ (* 4 bubbleSort_~j~0) bubbleSort_~numbers.offset))), 507#true, 508#false, 509#(and (= (* 4 main_~array_size~0) (select |#length| |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|)), 510#(and (= 0 main_~numbers~0.offset) (= (* 4 main_~array_size~0) (select |#length| main_~numbers~0.base))), 511#(and (= 0 |bubbleSort_#in~numbers.offset|) (<= (* 4 |bubbleSort_#in~array_size|) (select |#length| |bubbleSort_#in~numbers.base|)))] [2018-02-02 10:36:10,974 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 10:36:10,974 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-02 10:36:10,975 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-02 10:36:10,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-02 10:36:10,975 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 8 states. [2018-02-02 10:36:11,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-02 10:36:11,082 INFO L93 Difference]: Finished difference Result 39 states and 43 transitions. [2018-02-02 10:36:11,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-02 10:36:11,083 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-02-02 10:36:11,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-02 10:36:11,084 INFO L225 Difference]: With dead ends: 39 [2018-02-02 10:36:11,084 INFO L226 Difference]: Without dead ends: 39 [2018-02-02 10:36:11,084 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-02-02 10:36:11,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-02-02 10:36:11,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2018-02-02 10:36:11,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-02-02 10:36:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-02-02 10:36:11,086 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 23 [2018-02-02 10:36:11,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-02 10:36:11,087 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-02-02 10:36:11,087 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-02 10:36:11,087 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-02-02 10:36:11,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-02 10:36:11,087 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:11,087 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 10:36:11,087 INFO L371 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:36:11,087 INFO L82 PathProgramCache]: Analyzing trace with hash -996967546, now seen corresponding path program 1 times [2018-02-02 10:36:11,088 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:11,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:11,097 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:11,101 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) 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.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) 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) [2018-02-02 10:36:11,103 INFO L168 Benchmark]: Toolchain (without parser) took 1614.02 ms. Allocated memory was 398.5 MB in the beginning and 596.6 MB in the end (delta: 198.2 MB). Free memory was 356.5 MB in the beginning and 448.5 MB in the end (delta: -92.0 MB). Peak memory consumption was 106.1 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:11,104 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 398.5 MB. Free memory is still 361.8 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:36:11,104 INFO L168 Benchmark]: CACSL2BoogieTranslator took 159.94 ms. Allocated memory is still 398.5 MB. Free memory was 355.1 MB in the beginning and 344.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:11,105 INFO L168 Benchmark]: Boogie Preprocessor took 34.45 ms. Allocated memory is still 398.5 MB. Free memory was 344.6 MB in the beginning and 343.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:11,105 INFO L168 Benchmark]: RCFGBuilder took 212.18 ms. Allocated memory is still 398.5 MB. Free memory was 343.3 MB in the beginning and 324.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:11,105 INFO L168 Benchmark]: TraceAbstraction took 1204.88 ms. Allocated memory was 398.5 MB in the beginning and 596.6 MB in the end (delta: 198.2 MB). Free memory was 324.6 MB in the beginning and 448.5 MB in the end (delta: -123.9 MB). Peak memory consumption was 74.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:11,106 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 398.5 MB. Free memory is still 361.8 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 159.94 ms. Allocated memory is still 398.5 MB. Free memory was 355.1 MB in the beginning and 344.6 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 34.45 ms. Allocated memory is still 398.5 MB. Free memory was 344.6 MB in the beginning and 343.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 212.18 ms. Allocated memory is still 398.5 MB. Free memory was 343.3 MB in the beginning and 324.6 MB in the end (delta: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1204.88 ms. Allocated memory was 398.5 MB in the beginning and 596.6 MB in the end (delta: 198.2 MB). Free memory was 324.6 MB in the beginning and 448.5 MB in the end (delta: -123.9 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: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) 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_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-36-11-111.csv Received shutdown request...