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 0.1.23-9f4048f [2018-10-04 12:36:48,883 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 12:36:48,885 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 12:36:48,897 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 12:36:48,897 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 12:36:48,898 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 12:36:48,900 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 12:36:48,901 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 12:36:48,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 12:36:48,904 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 12:36:48,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 12:36:48,905 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 12:36:48,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 12:36:48,907 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 12:36:48,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 12:36:48,909 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 12:36:48,910 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 12:36:48,912 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 12:36:48,914 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 12:36:48,915 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 12:36:48,916 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 12:36:48,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 12:36:48,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 12:36:48,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 12:36:48,920 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 12:36:48,921 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 12:36:48,922 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 12:36:48,923 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 12:36:48,924 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 12:36:48,925 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 12:36:48,925 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 12:36:48,926 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 12:36:48,926 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 12:36:48,927 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 12:36:48,928 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 12:36:48,929 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 12:36:48,929 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 [2018-10-04 12:36:48,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 12:36:48,945 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 12:36:48,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 12:36:48,946 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 12:36:48,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 12:36:48,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 12:36:48,947 INFO L133 SettingsManager]: * Use SBE=true [2018-10-04 12:36:48,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 12:36:48,948 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 12:36:48,948 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 12:36:48,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 12:36:48,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 12:36:48,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 12:36:48,949 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 12:36:48,949 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 12:36:48,949 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 12:36:48,949 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 12:36:48,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 12:36:48,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 12:36:48,950 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-04 12:36:48,950 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 12:36:48,950 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-04 12:36:48,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-04 12:36:48,950 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 12:36:48,951 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 12:36:48,951 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 12:36:48,951 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-10-04 12:36:48,951 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 12:36:48,951 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 12:36:48,952 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 12:36:48,997 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 12:36:49,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 12:36:49,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 12:36:49,014 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 12:36:49,015 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 12:36:49,015 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl [2018-10-04 12:36:49,016 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/NonlinearInvariant1-Safe.bpl' [2018-10-04 12:36:49,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 12:36:49,066 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 12:36:49,067 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 12:36:49,067 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 12:36:49,067 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 12:36:49,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,105 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 12:36:49,106 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 12:36:49,106 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 12:36:49,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 12:36:49,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 12:36:49,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 12:36:49,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 12:36:49,121 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,130 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/1) ... [2018-10-04 12:36:49,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 12:36:49,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 12:36:49,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 12:36:49,132 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 12:36:49,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (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 [2018-10-04 12:36:49,213 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-10-04 12:36:49,214 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-04 12:36:49,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-04 12:36:49,291 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-04 12:36:49,475 INFO L338 CfgBuilder]: Using library mode [2018-10-04 12:36:49,476 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:36:49 BoogieIcfgContainer [2018-10-04 12:36:49,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 12:36:49,477 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-04 12:36:49,477 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-04 12:36:49,481 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-04 12:36:49,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:36:49" (1/2) ... [2018-10-04 12:36:49,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3617e691 and model type NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:36:49, skipping insertion in model container [2018-10-04 12:36:49,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:36:49" (2/2) ... [2018-10-04 12:36:49,484 INFO L112 eAbstractionObserver]: Analyzing ICFG NonlinearInvariant1-Safe.bpl [2018-10-04 12:36:49,494 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-04 12:36:49,502 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-04 12:36:49,554 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-10-04 12:36:49,555 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-10-04 12:36:49,555 INFO L382 AbstractCegarLoop]: Hoare is true [2018-10-04 12:36:49,555 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-04 12:36:49,555 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-04 12:36:49,555 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-04 12:36:49,556 INFO L386 AbstractCegarLoop]: Difference is false [2018-10-04 12:36:49,556 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-04 12:36:49,556 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-04 12:36:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-10-04 12:36:49,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 12:36:49,578 INFO L367 BasicCegarLoop]: Found error trace [2018-10-04 12:36:49,579 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-10-04 12:36:49,580 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ENSURES_VIOLATIONPOST_CONDITION]=== [2018-10-04 12:36:49,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 12:36:49,587 INFO L82 PathProgramCache]: Analyzing trace with hash 925092, now seen corresponding path program 1 times [2018-10-04 12:36:49,589 INFO L227 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-10-04 12:36:49,590 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-10-04 12:36:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:36:49,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-04 12:36:49,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-04 12:36:49,656 ERROR L235 seRefinementStrategy]: Caught known exception: Unsupported non-linear arithmetic [2018-10-04 12:36:49,656 INFO L258 seRefinementStrategy]: Advancing trace checker [2018-10-04 12:36:49,656 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) [2018-10-04 12:36:49,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2018-10-04 12:36:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 12:36:49,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 12:36:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 12:36:49,878 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-04 12:36:49,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-04 12:36:49,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-04 12:36:49,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-04 12:36:49,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-04 12:36:49,915 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2018-10-04 12:36:50,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-04 12:36:50,080 INFO L93 Difference]: Finished difference Result 8 states and 10 transitions. [2018-10-04 12:36:50,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-04 12:36:50,082 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 4 [2018-10-04 12:36:50,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-04 12:36:50,090 INFO L225 Difference]: With dead ends: 8 [2018-10-04 12:36:50,090 INFO L226 Difference]: Without dead ends: 0 [2018-10-04 12:36:50,095 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-04 12:36:50,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-04 12:36:50,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-04 12:36:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-04 12:36:50,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-04 12:36:50,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-10-04 12:36:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-04 12:36:50,124 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-04 12:36:50,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-04 12:36:50,124 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-04 12:36:50,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-04 12:36:50,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-04 12:36:50,169 INFO L425 ceAbstractionStarter]: For program point mainENTRY(lines 15 37) no Hoare annotation was computed. [2018-10-04 12:36:50,170 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)) [2018-10-04 12:36:50,170 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 15 37) no Hoare annotation was computed. [2018-10-04 12:36:50,170 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 28) no Hoare annotation was computed. [2018-10-04 12:36:50,170 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 24 33) no Hoare annotation was computed. [2018-10-04 12:36:50,170 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 15 37) no Hoare annotation was computed. [2018-10-04 12:36:50,170 INFO L425 ceAbstractionStarter]: For program point $Ultimate##0(lines 15 37) no Hoare annotation was computed. [2018-10-04 12:36:50,171 INFO L425 ceAbstractionStarter]: For program point mainErr0ENSURES_VIOLATIONPOST_CONDITION(lines 15 17) no Hoare annotation was computed. [2018-10-04 12:36:50,182 INFO L202 PluginConnector]: Adding new model NonlinearInvariant1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:36:50 BoogieIcfgContainer [2018-10-04 12:36:50,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-04 12:36:50,183 INFO L168 Benchmark]: Toolchain (without parser) took 1117.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 7.1 GB. [2018-10-04 12:36:50,185 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:36:50,186 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:36:50,187 INFO L168 Benchmark]: Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 12:36:50,188 INFO L168 Benchmark]: RCFGBuilder took 344.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-10-04 12:36:50,189 INFO L168 Benchmark]: TraceAbstraction took 704.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-10-04 12:36:50,194 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 41.77 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.36 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 344.13 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 704.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 31.7 MB). Peak memory consumption was 31.7 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, 0.2s 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, 0.1s 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, 0.1s 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-0-2018-10-04_12-36-50-208.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-0-2018-10-04_12-36-50-208.csv Received shutdown request...