java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cceb4a [2018-01-29 22:34:00,115 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-29 22:34:00,116 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-29 22:34:00,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-29 22:34:00,130 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-29 22:34:00,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-29 22:34:00,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-29 22:34:00,133 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-29 22:34:00,134 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-29 22:34:00,135 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-29 22:34:00,135 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-29 22:34:00,135 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-29 22:34:00,136 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-29 22:34:00,137 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-29 22:34:00,138 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-29 22:34:00,140 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-29 22:34:00,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-29 22:34:00,145 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-29 22:34:00,146 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-29 22:34:00,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-29 22:34:00,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-29 22:34:00,154 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-29 22:34:00,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-29 22:34:00,155 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-29 22:34:00,165 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-29 22:34:00,165 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-29 22:34:00,166 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-29 22:34:00,166 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-29 22:34:00,166 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-29 22:34:00,166 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-29 22:34:00,167 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-29 22:34:00,167 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-29 22:34:00,167 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-29 22:34:00,168 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-29 22:34:00,168 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-29 22:34:00,168 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-29 22:34:00,168 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-29 22:34:00,168 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-29 22:34:00,169 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-29 22:34:00,169 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-29 22:34:00,169 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-29 22:34:00,169 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-29 22:34:00,169 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-29 22:34:00,170 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-29 22:34:00,170 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-29 22:34:00,170 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-29 22:34:00,170 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-29 22:34:00,170 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:34:00,171 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-29 22:34:00,171 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-29 22:34:00,171 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-29 22:34:00,171 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-29 22:34:00,172 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-29 22:34:00,172 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-29 22:34:00,172 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-29 22:34:00,172 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-29 22:34:00,173 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-29 22:34:00,173 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-29 22:34:00,210 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-29 22:34:00,222 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-29 22:34:00,226 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-29 22:34:00,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-29 22:34:00,229 INFO L276 PluginConnector]: CDTParser initialized [2018-01-29 22:34:00,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:34:00,363 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-29 22:34:00,367 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-29 22:34:00,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-29 22:34:00,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-29 22:34:00,373 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-29 22:34:00,373 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,375 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b862e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00, skipping insertion in model container [2018-01-29 22:34:00,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,393 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:34:00,432 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-29 22:34:00,542 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:34:00,557 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-29 22:34:00,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00 WrapperNode [2018-01-29 22:34:00,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-29 22:34:00,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-29 22:34:00,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-29 22:34:00,565 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-29 22:34:00,582 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... [2018-01-29 22:34:00,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-29 22:34:00,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-29 22:34:00,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-29 22:34:00,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-29 22:34:00,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (1/1) ... No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-29 22:34:00,664 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-29 22:34:00,664 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-29 22:34:00,664 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-01-29 22:34:00,664 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-29 22:34:00,664 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-29 22:34:00,665 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-29 22:34:00,898 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-29 22:34:00,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:34:00 BoogieIcfgContainer [2018-01-29 22:34:00,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-29 22:34:00,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-29 22:34:00,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-29 22:34:00,902 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-29 22:34:00,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.01 10:34:00" (1/3) ... [2018-01-29 22:34:00,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc39405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:34:00, skipping insertion in model container [2018-01-29 22:34:00,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.01 10:34:00" (2/3) ... [2018-01-29 22:34:00,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dc39405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 10:34:00, skipping insertion in model container [2018-01-29 22:34:00,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 10:34:00" (3/3) ... [2018-01-29 22:34:00,905 INFO L107 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-29 22:34:00,911 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-29 22:34:00,917 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-29 22:34:00,951 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-29 22:34:00,951 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-29 22:34:00,951 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-29 22:34:00,951 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-29 22:34:00,952 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-29 22:34:00,952 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-29 22:34:00,952 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-29 22:34:00,952 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-29 22:34:00,953 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-29 22:34:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states. [2018-01-29 22:34:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-29 22:34:00,981 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:00,982 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:00,982 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:00,988 INFO L82 PathProgramCache]: Analyzing trace with hash 733929372, now seen corresponding path program 1 times [2018-01-29 22:34:00,990 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:00,991 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:01,034 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:01,034 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:01,034 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:01,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:01,095 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:01,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:01,284 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:01,285 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-29 22:34:01,287 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-29 22:34:01,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-29 22:34:01,299 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-29 22:34:01,301 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 6 states. [2018-01-29 22:34:01,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:01,593 INFO L93 Difference]: Finished difference Result 108 states and 123 transitions. [2018-01-29 22:34:01,593 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:34:01,595 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-01-29 22:34:01,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:01,603 INFO L225 Difference]: With dead ends: 108 [2018-01-29 22:34:01,603 INFO L226 Difference]: Without dead ends: 58 [2018-01-29 22:34:01,606 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:34:01,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-01-29 22:34:01,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-01-29 22:34:01,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-29 22:34:01,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 61 transitions. [2018-01-29 22:34:01,639 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 61 transitions. Word has length 25 [2018-01-29 22:34:01,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:01,640 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 61 transitions. [2018-01-29 22:34:01,640 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-29 22:34:01,640 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2018-01-29 22:34:01,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-01-29 22:34:01,641 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:01,641 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:01,641 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:01,641 INFO L82 PathProgramCache]: Analyzing trace with hash 733929373, now seen corresponding path program 1 times [2018-01-29 22:34:01,641 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:01,642 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:01,642 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:01,643 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:01,643 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:01,663 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:01,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:01,826 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:01,826 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-29 22:34:01,828 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-29 22:34:01,828 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-29 22:34:01,828 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:34:01,828 INFO L87 Difference]: Start difference. First operand 58 states and 61 transitions. Second operand 8 states. [2018-01-29 22:34:02,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:02,053 INFO L93 Difference]: Finished difference Result 90 states and 96 transitions. [2018-01-29 22:34:02,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-29 22:34:02,053 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-01-29 22:34:02,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:02,057 INFO L225 Difference]: With dead ends: 90 [2018-01-29 22:34:02,057 INFO L226 Difference]: Without dead ends: 87 [2018-01-29 22:34:02,058 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-01-29 22:34:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-01-29 22:34:02,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 70. [2018-01-29 22:34:02,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-01-29 22:34:02,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 77 transitions. [2018-01-29 22:34:02,066 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 77 transitions. Word has length 25 [2018-01-29 22:34:02,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:02,066 INFO L432 AbstractCegarLoop]: Abstraction has 70 states and 77 transitions. [2018-01-29 22:34:02,066 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-29 22:34:02,066 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2018-01-29 22:34:02,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-29 22:34:02,067 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:02,067 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:02,067 INFO L371 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:02,067 INFO L82 PathProgramCache]: Analyzing trace with hash 1276974051, now seen corresponding path program 1 times [2018-01-29 22:34:02,067 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:02,067 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:02,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,068 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:02,068 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:02,082 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:02,280 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:02,280 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-01-29 22:34:02,281 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-29 22:34:02,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-29 22:34:02,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-01-29 22:34:02,282 INFO L87 Difference]: Start difference. First operand 70 states and 77 transitions. Second operand 10 states. [2018-01-29 22:34:02,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:02,603 INFO L93 Difference]: Finished difference Result 113 states and 130 transitions. [2018-01-29 22:34:02,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-01-29 22:34:02,663 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2018-01-29 22:34:02,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:02,665 INFO L225 Difference]: With dead ends: 113 [2018-01-29 22:34:02,665 INFO L226 Difference]: Without dead ends: 108 [2018-01-29 22:34:02,666 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2018-01-29 22:34:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-01-29 22:34:02,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 88. [2018-01-29 22:34:02,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-01-29 22:34:02,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2018-01-29 22:34:02,678 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 26 [2018-01-29 22:34:02,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:02,679 INFO L432 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2018-01-29 22:34:02,679 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-29 22:34:02,679 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2018-01-29 22:34:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-01-29 22:34:02,680 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:02,680 INFO L350 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:02,680 INFO L371 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:02,681 INFO L82 PathProgramCache]: Analyzing trace with hash 748755797, now seen corresponding path program 1 times [2018-01-29 22:34:02,681 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:02,681 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:02,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,683 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:02,683 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:02,695 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:02,745 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:02,745 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:02,745 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-01-29 22:34:02,746 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-29 22:34:02,746 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-29 22:34:02,746 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-29 22:34:02,747 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand 6 states. [2018-01-29 22:34:02,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:02,818 INFO L93 Difference]: Finished difference Result 98 states and 107 transitions. [2018-01-29 22:34:02,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-29 22:34:02,819 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2018-01-29 22:34:02,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:02,821 INFO L225 Difference]: With dead ends: 98 [2018-01-29 22:34:02,821 INFO L226 Difference]: Without dead ends: 91 [2018-01-29 22:34:02,822 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-01-29 22:34:02,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-01-29 22:34:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 88. [2018-01-29 22:34:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-01-29 22:34:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 98 transitions. [2018-01-29 22:34:02,832 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 98 transitions. Word has length 27 [2018-01-29 22:34:02,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:02,833 INFO L432 AbstractCegarLoop]: Abstraction has 88 states and 98 transitions. [2018-01-29 22:34:02,833 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-29 22:34:02,833 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 98 transitions. [2018-01-29 22:34:02,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-01-29 22:34:02,834 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:02,834 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:02,834 INFO L371 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:02,835 INFO L82 PathProgramCache]: Analyzing trace with hash -1697494383, now seen corresponding path program 1 times [2018-01-29 22:34:02,835 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:02,835 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:02,836 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,836 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:02,836 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:02,850 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:03,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:03,041 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:03,041 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-01-29 22:34:03,041 INFO L409 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-01-29 22:34:03,042 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-01-29 22:34:03,042 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-01-29 22:34:03,042 INFO L87 Difference]: Start difference. First operand 88 states and 98 transitions. Second operand 12 states. [2018-01-29 22:34:03,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:03,335 INFO L93 Difference]: Finished difference Result 91 states and 100 transitions. [2018-01-29 22:34:03,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-29 22:34:03,336 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2018-01-29 22:34:03,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:03,337 INFO L225 Difference]: With dead ends: 91 [2018-01-29 22:34:03,337 INFO L226 Difference]: Without dead ends: 89 [2018-01-29 22:34:03,338 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=104, Invalid=316, Unknown=0, NotChecked=0, Total=420 [2018-01-29 22:34:03,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-01-29 22:34:03,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 58. [2018-01-29 22:34:03,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-01-29 22:34:03,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 62 transitions. [2018-01-29 22:34:03,344 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 62 transitions. Word has length 34 [2018-01-29 22:34:03,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:03,344 INFO L432 AbstractCegarLoop]: Abstraction has 58 states and 62 transitions. [2018-01-29 22:34:03,344 INFO L433 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-01-29 22:34:03,345 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 62 transitions. [2018-01-29 22:34:03,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-29 22:34:03,346 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:03,346 INFO L350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:03,346 INFO L371 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:03,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1265452441, now seen corresponding path program 1 times [2018-01-29 22:34:03,346 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:03,346 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:03,347 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:03,347 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:03,347 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:03,361 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:03,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-29 22:34:03,432 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-29 22:34:03,432 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-29 22:34:03,433 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-29 22:34:03,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-29 22:34:03,433 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-29 22:34:03,433 INFO L87 Difference]: Start difference. First operand 58 states and 62 transitions. Second operand 4 states. [2018-01-29 22:34:03,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:03,485 INFO L93 Difference]: Finished difference Result 58 states and 62 transitions. [2018-01-29 22:34:03,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-29 22:34:03,485 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2018-01-29 22:34:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:03,486 INFO L225 Difference]: With dead ends: 58 [2018-01-29 22:34:03,486 INFO L226 Difference]: Without dead ends: 51 [2018-01-29 22:34:03,486 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-29 22:34:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-01-29 22:34:03,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2018-01-29 22:34:03,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-01-29 22:34:03,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 53 transitions. [2018-01-29 22:34:03,494 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 53 transitions. Word has length 35 [2018-01-29 22:34:03,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:03,495 INFO L432 AbstractCegarLoop]: Abstraction has 49 states and 53 transitions. [2018-01-29 22:34:03,495 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-29 22:34:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 53 transitions. [2018-01-29 22:34:03,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-01-29 22:34:03,496 INFO L342 BasicCegarLoop]: Found error trace [2018-01-29 22:34:03,496 INFO L350 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-29 22:34:03,496 INFO L371 AbstractCegarLoop]: === Iteration 7 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-29 22:34:03,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1465341361, now seen corresponding path program 1 times [2018-01-29 22:34:03,497 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-29 22:34:03,497 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-29 22:34:03,498 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:03,498 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:03,498 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-29 22:34:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:03,511 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-29 22:34:03,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:03,648 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-29 22:34:03,648 INFO L209 onRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-29 22:34:03,661 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-29 22:34:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-29 22:34:03,689 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-29 22:34:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-29 22:34:03,823 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-29 22:34:03,823 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 17 [2018-01-29 22:34:03,823 INFO L409 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-01-29 22:34:03,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-01-29 22:34:03,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2018-01-29 22:34:03,824 INFO L87 Difference]: Start difference. First operand 49 states and 53 transitions. Second operand 18 states. [2018-01-29 22:34:04,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-29 22:34:04,083 INFO L93 Difference]: Finished difference Result 84 states and 90 transitions. [2018-01-29 22:34:04,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-01-29 22:34:04,084 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 35 [2018-01-29 22:34:04,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-29 22:34:04,084 INFO L225 Difference]: With dead ends: 84 [2018-01-29 22:34:04,084 INFO L226 Difference]: Without dead ends: 0 [2018-01-29 22:34:04,085 INFO L553 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=587, Unknown=0, NotChecked=0, Total=756 [2018-01-29 22:34:04,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-29 22:34:04,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-29 22:34:04,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-29 22:34:04,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-29 22:34:04,086 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-01-29 22:34:04,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-29 22:34:04,086 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-29 22:34:04,086 INFO L433 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-01-29 22:34:04,086 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-29 22:34:04,086 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-29 22:34:04,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-29 22:34:04,429 WARN L146 SmtUtils]: Spent 238ms on a formula simplification. DAG size of input: 60 DAG size of output 44 [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr2RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L540(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr3RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,537 INFO L399 ceAbstractionStarter]: For program point L543(line 543) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr1RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L395 ceAbstractionStarter]: At program point L543''''''(lines 543 551) the Hoare annotation is: (let ((.cse0 (select |#length| |bubbleSort_#in~numbers.base|))) (or (< .cse0 (* 4 |bubbleSort_#in~array_size|)) (let ((.cse1 (select |#length| bubbleSort_~numbers.base))) (and (<= |bubbleSort_#in~array_size| bubbleSort_~array_size) (<= (* 4 bubbleSort_~array_size) .cse1) (<= 4 .cse1) (= 1 (select |#valid| bubbleSort_~numbers.base)) (= bubbleSort_~numbers.offset 0) (<= (+ (* 4 bubbleSort_~i~2) 4) .cse1))) (< .cse0 4) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|)))) [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr4RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr0RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr10RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,538 INFO L399 ceAbstractionStarter]: For program point L545'''''(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L543'''(lines 543 551) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L542'(line 542) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr6RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L395 ceAbstractionStarter]: At program point L544''''''(lines 544 550) the Hoare annotation is: (let ((.cse2 (select |#length| bubbleSort_~numbers.base))) (let ((.cse5 (= bubbleSort_~numbers.offset 0)) (.cse1 (<= |bubbleSort_#in~array_size| bubbleSort_~array_size)) (.cse3 (<= (* 4 bubbleSort_~array_size) .cse2)) (.cse4 (= 1 (select |#valid| bubbleSort_~numbers.base))) (.cse6 (<= (+ (* 4 bubbleSort_~i~2) 4) .cse2)) (.cse0 (select |#length| |bubbleSort_#in~numbers.base|))) (or (< .cse0 (* 4 |bubbleSort_#in~array_size|)) (and .cse1 (<= 4 .cse2) .cse3 .cse4 .cse5 (= bubbleSort_~j~2 1) .cse6) (and (<= (* 4 bubbleSort_~j~2) .cse2) (and .cse5 .cse1 .cse3 .cse4 .cse6) (<= 2 bubbleSort_~j~2)) (< .cse0 4) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|))))) [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L543'(lines 543 551) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L544'''(lines 544 550) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr7RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L544''''(line 544) no Hoare annotation was computed. [2018-01-29 22:34:04,539 INFO L399 ceAbstractionStarter]: For program point L543''''(line 543) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L543'''''(line 543) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr8RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L545''''(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L544'(lines 544 550) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr9RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point bubbleSortEXIT(lines 540 552) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L545'''(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr5RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L543'''''''(lines 543 551) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L545''''''(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point bubbleSortErr11RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,540 INFO L399 ceAbstractionStarter]: For program point L542''(line 542) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point L546''(line 546) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point L544'''''(line 544) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L402 ceAbstractionStarter]: At program point bubbleSortENTRY(lines 540 552) the Hoare annotation is: true [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point L1(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L395 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L402 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 561) the Hoare annotation is: true [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L402 ceAbstractionStarter]: At program point L1(lines 1 561) the Hoare annotation is: true [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-29 22:34:04,541 INFO L399 ceAbstractionStarter]: For program point mainFINAL(lines 553 561) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L555(lines 555 557) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L395 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (* 4 main_~array_size~6))) (and (= .cse0 (select |#length| |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~numbers~6.offset) (<= 1 main_~array_size~6) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 1 (select |#valid| main_~numbers~6.base)) (= (store |#valid| |main_#t~malloc9.base| 0) |old(#valid)|) (= .cse0 (select |#length| main_~numbers~6.base)))) [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point mainEXIT(lines 553 561) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L395 ceAbstractionStarter]: At program point mainENTRY(lines 553 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L554'(line 554) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-01-29 22:34:04,542 INFO L399 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-01-29 22:34:04,543 INFO L399 ceAbstractionStarter]: For program point L555''(lines 555 557) no Hoare annotation was computed. [2018-01-29 22:34:04,543 INFO L399 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-01-29 22:34:04,543 INFO L399 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 553 561) no Hoare annotation was computed. [2018-01-29 22:34:04,549 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,550 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,550 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,550 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,550 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,551 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,555 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,555 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,556 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,557 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,557 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,559 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,560 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,560 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,560 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,560 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,562 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,562 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,562 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,563 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,563 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,565 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 10:34:04 BoogieIcfgContainer [2018-01-29 22:34:04,565 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-29 22:34:04,566 INFO L168 Benchmark]: Toolchain (without parser) took 4203.05 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 264.6 MB in the beginning and 473.5 MB in the end (delta: -208.9 MB). Peak memory consumption was 158.4 MB. Max. memory is 5.3 GB. [2018-01-29 22:34:04,568 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 304.6 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-29 22:34:04,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 196.29 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. [2018-01-29 22:34:04,568 INFO L168 Benchmark]: Boogie Preprocessor took 39.56 ms. Allocated memory is still 304.6 MB. Free memory was 253.4 MB in the beginning and 251.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-29 22:34:04,569 INFO L168 Benchmark]: RCFGBuilder took 294.83 ms. Allocated memory is still 304.6 MB. Free memory was 251.4 MB in the beginning and 232.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. [2018-01-29 22:34:04,569 INFO L168 Benchmark]: TraceAbstraction took 3665.66 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 232.9 MB in the beginning and 473.5 MB in the end (delta: -240.6 MB). Peak memory consumption was 126.7 MB. Max. memory is 5.3 GB. [2018-01-29 22:34:04,571 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 304.6 MB. Free memory is still 270.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 196.29 ms. Allocated memory is still 304.6 MB. Free memory was 263.6 MB in the beginning and 253.4 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.56 ms. Allocated memory is still 304.6 MB. Free memory was 253.4 MB in the beginning and 251.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 294.83 ms. Allocated memory is still 304.6 MB. Free memory was 251.4 MB in the beginning and 232.9 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3665.66 ms. Allocated memory was 304.6 MB in the beginning and 513.3 MB in the end (delta: 208.7 MB). Free memory was 232.9 MB in the beginning and 473.5 MB in the end (delta: -240.6 MB). Peak memory consumption was 126.7 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-01-29 22:34:04,577 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,577 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,577 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,578 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,580 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,580 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,581 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,581 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,581 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,581 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,582 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,582 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((unknown-#length-unknown[numbers] < 4 * \old(array_size) || ((((((\old(array_size) <= array_size && 4 <= unknown-#length-unknown[numbers]) && 4 * array_size <= unknown-#length-unknown[numbers]) && 1 == \valid[numbers]) && numbers == 0) && j == 1) && 4 * i + 4 <= unknown-#length-unknown[numbers])) || ((4 * j <= unknown-#length-unknown[numbers] && (((numbers == 0 && \old(array_size) <= array_size) && 4 * array_size <= unknown-#length-unknown[numbers]) && 1 == \valid[numbers]) && 4 * i + 4 <= unknown-#length-unknown[numbers]) && 2 <= j)) || unknown-#length-unknown[numbers] < 4) || !(\valid[numbers] == 1)) || !(0 == numbers) - InvariantResult [Line: 543]: Loop Invariant [2018-01-29 22:34:04,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,583 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,584 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,585 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,585 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,586 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,586 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-29 22:34:04,586 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: (((unknown-#length-unknown[numbers] < 4 * \old(array_size) || (((((\old(array_size) <= array_size && 4 * array_size <= unknown-#length-unknown[numbers]) && 4 <= unknown-#length-unknown[numbers]) && 1 == \valid[numbers]) && numbers == 0) && 4 * i + 4 <= unknown-#length-unknown[numbers])) || unknown-#length-unknown[numbers] < 4) || !(\valid[numbers] == 1)) || !(0 == numbers) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 67 locations, 13 error locations. SAFE Result, 3.5s OverallTime, 7 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 338 SDtfs, 1139 SDslu, 1248 SDs, 0 SdLazy, 811 SolverSat, 54 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred 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, 7 MinimizatonAttempts, 73 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 15 NumberOfFragments, 207 HoareAnnotationTreeSize, 8 FomulaSimplifications, 339 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 914 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 234 ConstructedInterpolants, 0 QuantifiedInterpolants, 37990 SizeOfPredicates, 4 NumberOfNonLiveVariables, 93 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 10/13 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-29_22-34-04-592.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-29_22-34-04-592.csv Received shutdown request...