java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c372c2b [2018-10-02 11:58:08,958 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 11:58:08,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 11:58:08,975 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 11:58:08,976 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 11:58:08,977 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 11:58:08,978 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 11:58:08,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 11:58:08,981 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 11:58:08,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 11:58:08,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 11:58:08,984 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 11:58:08,985 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 11:58:08,986 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 11:58:08,989 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 11:58:08,991 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 11:58:08,991 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 11:58:08,993 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 11:58:08,995 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 11:58:08,997 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 11:58:08,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 11:58:08,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 11:58:09,002 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 11:58:09,002 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 11:58:09,002 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 11:58:09,003 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 11:58:09,004 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 11:58:09,005 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 11:58:09,006 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 11:58:09,007 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 11:58:09,007 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 11:58:09,008 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 11:58:09,008 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 11:58:09,008 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 11:58:09,009 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 11:58:09,010 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 11:58:09,010 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Automizer_Default.epf [2018-10-02 11:58:09,025 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 11:58:09,026 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 11:58:09,026 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 11:58:09,027 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 11:58:09,027 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 11:58:09,027 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 11:58:09,028 INFO L133 SettingsManager]: * Use SBE=true [2018-10-02 11:58:09,028 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 11:58:09,028 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 11:58:09,028 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 11:58:09,028 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 11:58:09,029 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 11:58:09,029 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 11:58:09,029 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 11:58:09,029 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 11:58:09,029 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 11:58:09,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 11:58:09,030 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 11:58:09,030 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 11:58:09,030 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-02 11:58:09,030 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 11:58:09,030 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-02 11:58:09,031 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-02 11:58:09,031 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 11:58:09,031 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 11:58:09,031 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 11:58:09,032 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-02 11:58:09,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 11:58:09,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 11:58:09,032 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 11:58:09,090 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 11:58:09,105 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 11:58:09,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 11:58:09,114 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 11:58:09,115 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 11:58:09,115 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2018-10-02 11:58:09,116 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2018-10-02 11:58:09,171 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 11:58:09,174 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 11:58:09,175 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 11:58:09,175 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 11:58:09,175 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 11:58:09,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,215 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-02 11:58:09,215 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-02 11:58:09,215 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-02 11:58:09,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 11:58:09,218 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 11:58:09,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 11:58:09,219 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 11:58:09,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... [2018-10-02 11:58:09,241 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 11:58:09,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 11:58:09,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 11:58:09,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 11:58:09,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/1) ... No working directory specified, using /storage/repos/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 [2018-10-02 11:58:09,303 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-02 11:58:09,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-02 11:58:09,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-02 11:58:09,373 WARN L617 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-02 11:58:09,581 INFO L337 CfgBuilder]: Using library mode [2018-10-02 11:58:09,582 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:58:09 BoogieIcfgContainer [2018-10-02 11:58:09,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 11:58:09,584 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-02 11:58:09,584 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-02 11:58:09,591 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-02 11:58:09,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.10 11:58:09" (1/2) ... [2018-10-02 11:58:09,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72419c77 and model type NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.10 11:58:09, skipping insertion in model container [2018-10-02 11:58:09,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 11:58:09" (2/2) ... [2018-10-02 11:58:09,595 INFO L112 eAbstractionObserver]: Analyzing ICFG NonlinearInvariant1-Safe.bpl [2018-10-02 11:58:09,607 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-02 11:58:09,619 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-02 11:58:09,682 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-02 11:58:09,683 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-02 11:58:09,683 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-02 11:58:09,683 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-02 11:58:09,683 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-02 11:58:09,683 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-02 11:58:09,684 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-02 11:58:09,684 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-02 11:58:09,684 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-02 11:58:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-10-02 11:58:09,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-02 11:58:09,720 INFO L367 BasicCegarLoop]: Found error trace [2018-10-02 11:58:09,721 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-02 11:58:09,726 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-02 11:58:09,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-02 11:58:09,734 INFO L82 PathProgramCache]: Analyzing trace with hash 925092, now seen corresponding path program 1 times [2018-10-02 11:58:09,737 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-02 11:58:09,737 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-02 11:58:09,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:58:09,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-02 11:58:09,785 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-02 11:58:09,807 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-02 11:58:09,807 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-02 11:58:09,807 INFO L227 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2018-10-02 11:58:09,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-02 11:58:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 11:58:09,863 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-02 11:58:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 11:58:10,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-02 11:58:10,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-02 11:58:10,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-02 11:58:10,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-02 11:58:10,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-02 11:58:10,105 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2018-10-02 11:58:10,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-02 11:58:10,276 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. [2018-10-02 11:58:10,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-02 11:58:10,278 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-10-02 11:58:10,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-02 11:58:10,285 INFO L225 Difference]: With dead ends: 8 [2018-10-02 11:58:10,286 INFO L226 Difference]: Without dead ends: 0 [2018-10-02 11:58:10,290 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-02 11:58:10,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-02 11:58:10,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-02 11:58:10,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-02 11:58:10,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-02 11:58:10,320 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-10-02 11:58:10,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-02 11:58:10,320 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-02 11:58:10,320 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-02 11:58:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-02 11:58:10,321 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-02 11:58:10,326 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-02 11:58:10,356 INFO L425 ceAbstractionStarter]: For program point mainENTRY(lines 15 37) no Hoare annotation was computed. [2018-10-02 11:58:10,357 INFO L421 ceAbstractionStarter]: At program point L29-1(lines 23 34) the Hoare annotation is: (and (> (* main_in2 main_in1) 0) (> (* main_tmp2 main_tmp1) 0)) [2018-10-02 11:58:10,357 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 15 37) no Hoare annotation was computed. [2018-10-02 11:58:10,357 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-10-02 11:58:10,357 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 24 33) no Hoare annotation was computed. [2018-10-02 11:58:10,357 INFO L425 ceAbstractionStarter]: For program point mainErr0ENSURES_VIOLATIONPOST_CONDITION(lines 15 17) no Hoare annotation was computed. [2018-10-02 11:58:10,357 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 15 37) no Hoare annotation was computed. [2018-10-02 11:58:10,358 INFO L425 ceAbstractionStarter]: For program point $Ultimate##0(lines 15 37) no Hoare annotation was computed. [2018-10-02 11:58:10,368 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.10 11:58:10 BoogieIcfgContainer [2018-10-02 11:58:10,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-02 11:58:10,369 INFO L168 Benchmark]: Toolchain (without parser) took 1197.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-10-02 11:58:10,371 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 11:58:10,372 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 11:58:10,373 INFO L168 Benchmark]: Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-02 11:58:10,374 INFO L168 Benchmark]: RCFGBuilder took 340.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-02 11:58:10,375 INFO L168 Benchmark]: TraceAbstraction took 784.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-10-02 11:58:10,380 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.96 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.63 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 340.79 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 784.37 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 15]: procedure postcondition always holds For all program executions holds that procedure postcondition always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: in2 * in1 > 0 && tmp2 * tmp1 > 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. SAFE Result, 0.6s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2 SDtfs, 8 SDslu, 3 SDs, 0 SdLazy, 12 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 11 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 4 NumberOfNonLiveVariables, 12 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/NonlinearInvariant1-Safe.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-10-02_11-58-10-393.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/NonlinearInvariant1-Safe.bpl_svcomp-Reach-32bit-Automizer_Default.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-10-02_11-58-10-393.csv Received shutdown request...