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/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:53:50,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:53:50,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:53:50,514 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:53:50,514 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:53:50,516 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:53:50,517 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:53:50,519 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:53:50,522 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:53:50,523 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:53:50,524 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:53:50,526 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:53:50,527 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:53:50,536 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:53:50,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:53:50,538 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:53:50,539 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:53:50,541 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:53:50,544 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:53:50,545 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:53:50,546 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:53:50,551 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:53:50,555 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:53:50,555 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:53:50,555 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:53:50,558 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:53:50,559 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:53:50,559 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:53:50,560 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:53:50,561 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:53:50,562 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:53:50,563 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:53:50,563 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:53:50,564 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:53:50,565 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:53:50,566 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:53:50,566 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 13:53:50,584 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:53:50,585 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:53:50,589 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:53:50,590 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:53:50,590 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:53:50,590 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:53:50,590 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:53:50,669 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:53:50,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:53:50,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:53:50,688 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:53:50,689 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:53:50,689 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl [2018-07-25 13:53:50,690 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_1_variant.i_2.bpl' [2018-07-25 13:53:50,737 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:53:50,739 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:53:50,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:53:50,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:53:50,740 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:53:50,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:53:50,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:53:50,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:53:50,779 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:53:50,789 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,789 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/1) ... [2018-07-25 13:53:50,796 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:53:50,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:53:50,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:53:50,797 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:53:50,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (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 13:53:50,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:53:50,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:53:51,123 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:53:51,124 INFO L202 PluginConnector]: Adding new model count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:53:51 BoogieIcfgContainer [2018-07-25 13:53:51,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:53:51,125 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:53:51,125 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:53:51,129 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:53:51,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:50" (1/2) ... [2018-07-25 13:53:51,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36602a5d and model type count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:53:51, skipping insertion in model container [2018-07-25 13:53:51,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:53:51" (2/2) ... [2018-07-25 13:53:51,133 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_1_variant.i_2.bpl [2018-07-25 13:53:51,144 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:53:51,152 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:53:51,203 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:53:51,204 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:53:51,204 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:53:51,204 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:53:51,204 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:53:51,204 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:53:51,205 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:53:51,205 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:53:51,205 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:53:51,218 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:53:51,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:53:51,227 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:53:51,228 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:53:51,229 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:53:51,235 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, 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 13:53:51,259 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:53:51,643 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:53:51,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:53:51,647 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:53:51,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:53:51,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:53:51,655 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 13:53:51,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:53:51,728 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:53:51,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:53:51,730 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 13:53:51,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:53:51,743 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:53:51,743 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:53:51,747 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:53:51,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:53:51,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:53:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:53:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:53:51,785 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:53:51,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:53:51,785 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:53:51,786 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:53:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:53:51,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:53:51,786 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:53:51,787 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:53:51,787 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:53:51,788 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, 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 13:53:51,798 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:53:52,266 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-07-25 13:53:52,358 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:53:52,358 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 13:53:52,359 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:53:52,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:53:52,360 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:53:52,361 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 13:53:52,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:53:52,369 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2018-07-25 13:53:52,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:53:52,370 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:53:52,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:53:52,371 INFO L225 Difference]: With dead ends: 7 [2018-07-25 13:53:52,371 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:53:52,373 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:53:52,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:53:52,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:53:52,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:53:52,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:53:52,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2018-07-25 13:53:52,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:53:52,375 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:53:52,375 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:53:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:53:52,376 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:53:52,380 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:53:52,467 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 35) the Hoare annotation is: false [2018-07-25 13:53:52,468 INFO L418 ceAbstractionStarter]: At program point L32(lines 32 33) the Hoare annotation is: false [2018-07-25 13:53:52,468 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 35) the Hoare annotation is: true [2018-07-25 13:53:52,468 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 35) no Hoare annotation was computed. [2018-07-25 13:53:52,468 INFO L418 ceAbstractionStarter]: At program point L28(lines 13 28) the Hoare annotation is: (not (= 0 (ite (<= ULTIMATE.start_main_~i~4 1000000) 1 0))) [2018-07-25 13:53:52,468 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 34) the Hoare annotation is: false [2018-07-25 13:53:52,469 INFO L418 ceAbstractionStarter]: At program point L20(lines 20 29) the Hoare annotation is: (and (not (= 0 ULTIMATE.start___VERIFIER_assert_~cond)) (not (= 0 (ite (<= ULTIMATE.start_main_~i~4 999999) 1 0)))) [2018-07-25 13:53:52,476 INFO L202 PluginConnector]: Adding new model count_by_1_variant.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:53:52 BoogieIcfgContainer [2018-07-25 13:53:52,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:53:52,477 INFO L168 Benchmark]: Toolchain (without parser) took 1738.86 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: 87.2 MB). Peak memory consumption was 87.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:53:52,478 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:53:52,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:53:52,480 INFO L168 Benchmark]: Boogie Preprocessor took 17.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:53:52,481 INFO L168 Benchmark]: RCFGBuilder took 327.22 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:53:52,482 INFO L168 Benchmark]: TraceAbstraction took 1351.25 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:53:52,487 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 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 17.11 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 327.22 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1351.25 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: 66.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 34]: 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: 32]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: !(0 == (if main_~i~4 <= 1000000 then 1 else 0)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: !(0 == __VERIFIER_assert_~cond) && !(0 == (if main_~i~4 <= 999999 then 1 else 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.2s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 2 SDslu, 4 SDs, 0 SdLazy, 10 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 119 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=1, 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, 6 LocationsWithAnnotation, 6 PreInvPairs, 8 NumberOfFragments, 27 HoareAnnotationTreeSize, 6 FomulaSimplifications, 39 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.8s 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/count_by_1_variant.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-53-52-501.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_1_variant.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-53-52-501.csv Received shutdown request...