java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./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/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:27:08,299 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:27:08,301 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:27:08,313 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:27:08,313 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:27:08,314 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:27:08,315 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:27:08,318 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:27:08,320 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:27:08,321 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:27:08,322 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:27:08,322 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:27:08,324 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:27:08,325 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:27:08,329 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:27:08,330 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:27:08,336 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:27:08,343 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:27:08,345 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:27:08,349 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:27:08,350 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:27:08,351 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:27:08,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:27:08,357 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:27:08,357 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:27:08,358 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:27:08,359 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:27:08,360 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:27:08,363 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:27:08,364 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:27:08,364 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:27:08,365 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:27:08,365 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:27:08,365 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:27:08,369 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:27:08,370 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:27:08,370 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:27:08,388 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:27:08,388 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:27:08,390 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:27:08,390 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:27:08,391 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:27:08,391 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:27:08,391 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:27:08,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:27:08,454 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:27:08,458 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:27:08,459 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:27:08,460 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:27:08,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl [2018-07-25 14:27:08,461 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCakeWithArray.bpl' [2018-07-25 14:27:08,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:27:08,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:27:08,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:27:08,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:27:08,514 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:27:08,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,555 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:27:08,555 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:27:08,555 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:27:08,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:27:08,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:27:08,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:27:08,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:27:08,569 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/1) ... [2018-07-25 14:27:08,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:27:08,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:27:08,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:27:08,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:27:08,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (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 [2018-07-25 14:27:08,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:27:08,671 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:27:08,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:27:08,858 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:27:08,859 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:27:08 BoogieIcfgContainer [2018-07-25 14:27:08,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:27:08,860 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:27:08,860 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:27:08,864 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:27:08,864 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:27:08" (1/2) ... [2018-07-25 14:27:08,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b79d64e and model type GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:27:08, skipping insertion in model container [2018-07-25 14:27:08,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:27:08" (2/2) ... [2018-07-25 14:27:08,867 INFO L112 eAbstractionObserver]: Analyzing ICFG GeometricalIntegerCakeWithArray.bpl [2018-07-25 14:27:08,876 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:27:08,883 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-07-25 14:27:08,930 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:27:08,930 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:27:08,931 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:27:08,931 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:27:08,931 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:27:08,931 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:27:08,932 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:27:08,932 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:27:08,932 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:27:08,946 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-07-25 14:27:08,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:27:08,954 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:27:08,955 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:27:08,956 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 14:27:08,962 INFO L82 PathProgramCache]: Analyzing trace with hash 963, 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 [2018-07-25 14:27:08,977 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:27:09,167 WARN L169 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 14:27:09,214 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:27:09,214 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:27:09,218 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:27:09,223 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:27:09,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:27:09,225 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 3 states. [2018-07-25 14:27:09,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:27:09,304 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-25 14:27:09,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:27:09,307 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:27:09,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:27:09,318 INFO L225 Difference]: With dead ends: 8 [2018-07-25 14:27:09,318 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 14:27:09,322 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:27:09,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 14:27:09,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 14:27:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 14:27:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 14:27:09,360 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 2 [2018-07-25 14:27:09,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:27:09,361 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 14:27:09,361 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:27:09,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 14:27:09,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:27:09,362 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:27:09,362 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:27:09,362 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 14:27:09,363 INFO L82 PathProgramCache]: Analyzing trace with hash 926725, 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 [2018-07-25 14:27:09,380 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:27:09,506 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:27:09,506 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:27:09,507 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:27:09,507 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:27:09,508 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 14:27:09,508 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-25 14:27:09,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:27:09,552 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2018-07-25 14:27:09,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:27:09,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:27:09,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:27:09,553 INFO L225 Difference]: With dead ends: 7 [2018-07-25 14:27:09,553 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 14:27:09,555 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 14:27:09,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 14:27:09,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 14:27:09,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 14:27:09,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 14:27:09,556 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 4 [2018-07-25 14:27:09,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:27:09,556 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 14:27:09,556 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:27:09,557 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 14:27:09,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 14:27:09,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 14:27:09,766 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 17 [2018-07-25 14:27:09,999 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 14:27:10,002 INFO L425 ceAbstractionStarter]: At program point mainENTRY(lines 8 28) the Hoare annotation is: true [2018-07-25 14:27:10,002 INFO L418 ceAbstractionStarter]: At program point mainErr1ASSERT_VIOLATIONASSERT(line 25) the Hoare annotation is: false [2018-07-25 14:27:10,002 INFO L418 ceAbstractionStarter]: At program point L25(line 25) the Hoare annotation is: (let ((.cse1 (div main_init 2)) (.cse2 (select main_m main_cakeLeft))) (and (or (= main_eat main_cakeLeft) (let ((.cse0 (select main_m main_eat))) (and (<= 0 .cse0) (<= (+ .cse1 .cse0) .cse2)))) (<= .cse1 .cse2))) [2018-07-25 14:27:10,003 INFO L418 ceAbstractionStarter]: At program point mainEXIT(lines 8 28) the Hoare annotation is: (or (= main_eat main_cakeLeft) (let ((.cse0 (select main_m main_eat))) (and (<= 0 .cse0) (<= (+ (div main_init 2) .cse0) (select main_m main_cakeLeft))))) [2018-07-25 14:27:10,003 INFO L418 ceAbstractionStarter]: At program point L24-1(lines 8 28) the Hoare annotation is: (or (= main_eat main_cakeLeft) (let ((.cse0 (select main_m main_eat))) (and (<= 0 .cse0) (<= (+ (div main_init 2) .cse0) (select main_m main_cakeLeft))))) [2018-07-25 14:27:10,003 INFO L418 ceAbstractionStarter]: At program point L18-1(lines 18 26) the Hoare annotation is: (or (= main_eat main_cakeLeft) (let ((.cse0 (select main_m main_eat))) (and (<= 0 .cse0) (<= (+ (div main_init 2) .cse0) (select main_m main_cakeLeft))))) [2018-07-25 14:27:10,004 INFO L418 ceAbstractionStarter]: At program point L18-2(lines 18 23) the Hoare annotation is: (or (= main_eat main_cakeLeft) (let ((.cse0 (select main_m main_eat))) (and (<= 0 .cse0) (<= (+ (div main_init 2) .cse0) (select main_m main_cakeLeft))))) [2018-07-25 14:27:10,004 INFO L418 ceAbstractionStarter]: At program point mainErr0ASSERT_VIOLATIONINVARIANTandASSERT(line 19) the Hoare annotation is: false [2018-07-25 14:27:10,012 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCakeWithArray.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:27:10 BoogieIcfgContainer [2018-07-25 14:27:10,012 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:27:10,014 INFO L168 Benchmark]: Toolchain (without parser) took 1501.89 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: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:27:10,015 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-07-25 14:27:10,016 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.51 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. [2018-07-25 14:27:10,016 INFO L168 Benchmark]: Boogie Preprocessor took 26.30 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. [2018-07-25 14:27:10,017 INFO L168 Benchmark]: RCFGBuilder took 274.41 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. [2018-07-25 14:27:10,018 INFO L168 Benchmark]: TraceAbstraction took 1152.25 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. [2018-07-25 14:27:10,024 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 0.18 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 44.51 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 26.30 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 274.41 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 1152.25 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: 25]: assertion always holds For all program executions holds that assertion always holds at this location - PositiveResult [Line: 19]: loop invariant is valid and assertion always holds For all program executions holds that loop invariant is valid and assertion always holds at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: eat == cakeLeft || (0 <= m[eat] && init / 2 + m[eat] <= m[cakeLeft]) - ProcedureContractResult [Line: 8]: Procedure Contract for main Derived contract for procedure main: eat == cakeLeft || (0 <= m[eat] && init / 2 + m[eat] <= m[cakeLeft]) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 2 error locations. SAFE Result, 1.0s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 9 SDslu, 0 SDs, 0 SdLazy, 11 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 4 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 10 NumberOfFragments, 126 HoareAnnotationTreeSize, 8 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 45 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s 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/GeometricalIntegerCakeWithArray.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-27-10-039.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GeometricalIntegerCakeWithArray.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-27-10-039.csv Received shutdown request...