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 -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:21:08,164 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:21:08,169 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:21:08,185 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:21:08,185 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:21:08,188 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:21:08,190 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:21:08,192 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:21:08,195 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:21:08,196 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:21:08,203 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:21:08,203 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:21:08,205 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:21:08,205 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:21:08,207 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:21:08,208 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:21:08,208 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:21:08,210 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:21:08,215 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:21:08,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:21:08,220 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:21:08,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:21:08,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:21:08,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:21:08,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:21:08,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:21:08,228 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:21:08,228 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:21:08,229 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:21:08,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:21:08,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:21:08,234 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 09:21:08,239 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:21:08,253 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:21:08,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:21:08,256 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:21:08,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:21:08,257 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:21:08,257 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:08,257 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:21:08,314 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:21:08,327 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:21:08,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:21:08,335 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:21:08,335 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:21:08,336 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl [2018-09-26 09:21:08,337 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/PositiveValue-Safe.bpl' [2018-09-26 09:21:08,390 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:21:08,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:21:08,398 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:08,398 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:21:08,398 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:21:08,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,440 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:21:08,441 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:21:08,441 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:21:08,443 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:21:08,444 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:21:08,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:21:08,444 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:21:08,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/1) ... [2018-09-26 09:21:08,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:21:08,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:21:08,469 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:21:08,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:21:08,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (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:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 09:21:08,545 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:21:08,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:21:08,546 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:21:08,724 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:21:08,725 INFO L202 PluginConnector]: Adding new model PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:08 BoogieIcfgContainer [2018-09-26 09:21:08,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:21:08,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:21:08,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:21:08,730 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:21:08,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:21:08" (1/2) ... [2018-09-26 09:21:08,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@177a88f0 and model type PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:21:08, skipping insertion in model container [2018-09-26 09:21:08,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:21:08" (2/2) ... [2018-09-26 09:21:08,733 INFO L112 eAbstractionObserver]: Analyzing ICFG PositiveValue-Safe.bpl [2018-09-26 09:21:08,743 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:21:08,752 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:21:08,802 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:21:08,803 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:21:08,803 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:21:08,803 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:21:08,804 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:21:08,804 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:21:08,804 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:21:08,804 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:21:08,804 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:21:08,820 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states. [2018-09-26 09:21:08,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 09:21:08,828 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:08,829 INFO L375 BasicCegarLoop]: trace histogram [1, 1] [2018-09-26 09:21:08,833 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:21:08,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:08,845 INFO L82 PathProgramCache]: Analyzing trace with hash 973, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:08,865 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:09,018 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:21:09,018 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:21:09,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:21:09,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:21:09,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:21:09,034 INFO L87 Difference]: Start difference. First operand 4 states. Second operand 3 states. [2018-09-26 09:21:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:21:09,118 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2018-09-26 09:21:09,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:21:09,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-09-26 09:21:09,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:21:09,132 INFO L225 Difference]: With dead ends: 6 [2018-09-26 09:21:09,132 INFO L226 Difference]: Without dead ends: 4 [2018-09-26 09:21:09,136 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-26 09:21:09,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4 states. [2018-09-26 09:21:09,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4 to 4. [2018-09-26 09:21:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2018-09-26 09:21:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 09:21:09,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states and 4 transitions. Word has length 2 [2018-09-26 09:21:09,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:21:09,171 INFO L480 AbstractCegarLoop]: Abstraction has 4 states and 4 transitions. [2018-09-26 09:21:09,171 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:21:09,172 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 09:21:09,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:21:09,172 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:21:09,172 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:21:09,173 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:21:09,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:21:09,173 INFO L82 PathProgramCache]: Analyzing trace with hash 30330, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:09,187 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:21:09,531 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:21:09,532 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-09-26 09:21:09,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:21:09,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:21:09,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:21:09,533 INFO L87 Difference]: Start difference. First operand 4 states and 4 transitions. Second operand 3 states. [2018-09-26 09:21:09,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:21:09,538 INFO L93 Difference]: Finished difference Result 4 states and 4 transitions. [2018-09-26 09:21:09,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:21:09,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 09:21:09,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:21:09,539 INFO L225 Difference]: With dead ends: 4 [2018-09-26 09:21:09,539 INFO L226 Difference]: Without dead ends: 0 [2018-09-26 09:21:09,540 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 31 SyntacticMatches, 8 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:21:09,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-09-26 09:21:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-09-26 09:21:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-09-26 09:21:09,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-09-26 09:21:09,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 3 [2018-09-26 09:21:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:21:09,542 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-09-26 09:21:09,542 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:21:09,542 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-09-26 09:21:09,542 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-09-26 09:21:09,547 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-09-26 09:21:09,627 INFO L429 ceAbstractionStarter]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true [2018-09-26 09:21:09,628 INFO L422 ceAbstractionStarter]: At program point mainEXIT(lines 10 27) the Hoare annotation is: (<= 0 main_x) [2018-09-26 09:21:09,628 INFO L426 ceAbstractionStarter]: For program point L19(lines 19 23) no Hoare annotation was computed. [2018-09-26 09:21:09,628 INFO L422 ceAbstractionStarter]: At program point L19-2(lines 17 25) the Hoare annotation is: (and (<= 0 (* main_y main_x)) (<= 0 main_x)) [2018-09-26 09:21:09,628 INFO L422 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONASSERT(line 26) the Hoare annotation is: false [2018-09-26 09:21:09,628 INFO L426 ceAbstractionStarter]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed. [2018-09-26 09:21:09,638 INFO L202 PluginConnector]: Adding new model PositiveValue-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:09 BoogieIcfgContainer [2018-09-26 09:21:09,638 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:21:09,644 INFO L168 Benchmark]: Toolchain (without parser) took 1252.99 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: 76.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:09,646 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-09-26 09:21:09,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.78 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. [2018-09-26 09:21:09,649 INFO L168 Benchmark]: Boogie Preprocessor took 23.77 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. [2018-09-26 09:21:09,650 INFO L168 Benchmark]: RCFGBuilder took 256.75 ms. Allocated memory is still 1.5 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. [2018-09-26 09:21:09,651 INFO L168 Benchmark]: TraceAbstraction took 916.72 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:09,657 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 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.78 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 23.77 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. * RCFGBuilder took 256.75 ms. Allocated memory is still 1.5 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 916.72 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 26]: assertion always holds For all program executions holds that assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 0 <= y * x && 0 <= x - ProcedureContractResult [Line: 10]: Procedure Contract for main Derived contract for procedure main: 0 <= x - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. SAFE Result, 0.8s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 0 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 39 SyntacticMatches, 8 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 5 NumberOfFragments, 15 HoareAnnotationTreeSize, 4 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s PdrRuntime, 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/PositiveValue-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-21-09-676.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/PositiveValue-Safe.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-21-09-676.csv Received shutdown request...