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-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:24:31,787 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:24:31,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:24:31,805 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:24:31,805 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:24:31,806 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:24:31,808 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:24:31,810 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:24:31,811 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:24:31,812 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:24:31,813 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:24:31,813 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:24:31,814 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:24:31,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:24:31,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:24:31,817 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:24:31,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:24:31,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:24:31,822 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:24:31,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:24:31,825 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:24:31,826 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:24:31,831 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:24:31,831 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:24:31,831 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:24:31,832 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:24:31,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:24:31,834 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:24:31,837 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:24:31,838 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:24:31,841 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:24:31,842 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 13:24:31,847 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-nestedInterpolants.epf [2018-07-25 13:24:31,861 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:24:31,862 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:24:31,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-25 13:24:31,863 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-25 13:24:31,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:24:31,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-25 13:24:31,864 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 13:24:31,864 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:24:31,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:24:31,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:24:31,936 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:24:31,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:24:31,937 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:24:31,938 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl [2018-07-25 13:24:31,938 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/diamond2.i_4.bpl' [2018-07-25 13:24:31,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:24:31,997 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:24:31,998 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:24:31,998 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:24:31,999 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:24:32,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:24:32,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:24:32,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:24:32,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:24:32,056 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:24:32,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:24:32,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:24:32,089 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:24:32,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/1) ... [2018-07-25 13:24:32,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:24:32,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:24:32,419 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:24:32,420 INFO L202 PluginConnector]: Adding new model diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:24:32 BoogieIcfgContainer [2018-07-25 13:24:32,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:24:32,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:24:32,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:24:32,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:24:32,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:24:31" (1/2) ... [2018-07-25 13:24:32,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6eee4cb2 and model type diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:24:32, skipping insertion in model container [2018-07-25 13:24:32,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:24:32" (2/2) ... [2018-07-25 13:24:32,431 INFO L112 eAbstractionObserver]: Analyzing ICFG diamond2.i_4.bpl [2018-07-25 13:24:32,441 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:24:32,450 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:24:32,501 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:24:32,502 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:24:32,503 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:24:32,503 INFO L376 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-25 13:24:32,503 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:24:32,503 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:24:32,504 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:24:32,504 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:24:32,504 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:24:32,520 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:24:32,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:24:32,530 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:32,531 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:24:32,532 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:32,538 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 13:24:32,545 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:32,648 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:24:32,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:24:32,653 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:24:32,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:24:32,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:24:32,669 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 13:24:32,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:32,712 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:24:32,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:24:32,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:24:32,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:32,727 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:24:32,727 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:24:32,731 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 13:24:32,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:24:32,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:24:32,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:24:32,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:24:32,771 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:24:32,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:32,771 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:24:32,771 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:24:32,772 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:24:32,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:24:32,772 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:32,773 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:24:32,773 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:32,773 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 13:24:32,774 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:32,830 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:32,830 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-25 13:24:32,832 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 13:24:32,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 13:24:32,833 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:24:32,833 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-25 13:24:32,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:32,873 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-25 13:24:32,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 13:24:32,875 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-25 13:24:32,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:32,876 INFO L225 Difference]: With dead ends: 11 [2018-07-25 13:24:32,876 INFO L226 Difference]: Without dead ends: 9 [2018-07-25 13:24:32,878 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:24:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-25 13:24:32,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-25 13:24:32,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-25 13:24:32,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-25 13:24:32,882 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-25 13:24:32,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:32,883 INFO L472 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-25 13:24:32,883 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 13:24:32,883 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-25 13:24:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-25 13:24:32,884 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:32,884 INFO L354 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-25 13:24:32,884 INFO L415 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:32,885 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-25 13:24:32,885 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:32,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:32,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:32,945 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:32,945 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-25 13:24:32,946 INFO L451 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-25 13:24:32,946 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-25 13:24:32,946 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:24:32,947 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-25 13:24:33,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:33,033 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-25 13:24:33,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-25 13:24:33,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-25 13:24:33,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:33,035 INFO L225 Difference]: With dead ends: 13 [2018-07-25 13:24:33,035 INFO L226 Difference]: Without dead ends: 11 [2018-07-25 13:24:33,036 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-25 13:24:33,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-25 13:24:33,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-25 13:24:33,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-25 13:24:33,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-25 13:24:33,040 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-25 13:24:33,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:33,041 INFO L472 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-25 13:24:33,041 INFO L473 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-25 13:24:33,041 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-25 13:24:33,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-25 13:24:33,042 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:33,042 INFO L354 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-25 13:24:33,042 INFO L415 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:33,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-25 13:24:33,043 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:33,119 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:33,120 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:33,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-25 13:24:33,121 INFO L451 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-25 13:24:33,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-25 13:24:33,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:24:33,122 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-25 13:24:33,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:33,220 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-25 13:24:33,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-25 13:24:33,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-25 13:24:33,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:33,222 INFO L225 Difference]: With dead ends: 15 [2018-07-25 13:24:33,222 INFO L226 Difference]: Without dead ends: 13 [2018-07-25 13:24:33,225 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 13:24:33,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-25 13:24:33,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-25 13:24:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-25 13:24:33,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-25 13:24:33,235 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-25 13:24:33,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:33,236 INFO L472 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-25 13:24:33,236 INFO L473 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-25 13:24:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-25 13:24:33,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-25 13:24:33,237 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:33,237 INFO L354 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-25 13:24:33,237 INFO L415 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:33,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-25 13:24:33,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:33,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:33,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-25 13:24:33,347 INFO L451 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-25 13:24:33,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-25 13:24:33,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:24:33,349 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-25 13:24:33,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:33,415 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-25 13:24:33,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-25 13:24:33,416 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-25 13:24:33,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:33,416 INFO L225 Difference]: With dead ends: 17 [2018-07-25 13:24:33,417 INFO L226 Difference]: Without dead ends: 15 [2018-07-25 13:24:33,417 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-25 13:24:33,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-25 13:24:33,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-25 13:24:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-25 13:24:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-25 13:24:33,429 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-25 13:24:33,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:33,430 INFO L472 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-25 13:24:33,430 INFO L473 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-25 13:24:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-25 13:24:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-25 13:24:33,432 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:33,432 INFO L354 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-25 13:24:33,435 INFO L415 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:33,436 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-25 13:24:33,436 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:33,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:33,511 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:33,512 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-25 13:24:33,512 INFO L451 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-25 13:24:33,512 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-25 13:24:33,513 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:24:33,515 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-25 13:24:33,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:33,583 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-25 13:24:33,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-25 13:24:33,584 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-25 13:24:33,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:33,588 INFO L225 Difference]: With dead ends: 19 [2018-07-25 13:24:33,589 INFO L226 Difference]: Without dead ends: 17 [2018-07-25 13:24:33,589 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-25 13:24:33,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-25 13:24:33,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-25 13:24:33,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-25 13:24:33,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-25 13:24:33,602 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-25 13:24:33,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:33,602 INFO L472 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-25 13:24:33,602 INFO L473 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-25 13:24:33,603 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-25 13:24:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-25 13:24:33,604 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:24:33,604 INFO L354 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-25 13:24:33,604 INFO L415 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:24:33,605 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-25 13:24:33,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:24:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-25 13:24:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-25 13:24:34,143 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-25 13:24:34,144 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-25 13:24:34,144 INFO L451 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-25 13:24:34,145 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-25 13:24:34,146 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:24:34,146 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-25 13:24:34,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:24:34,247 INFO L93 Difference]: Finished difference Result 19 states and 20 transitions. [2018-07-25 13:24:34,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-25 13:24:34,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-25 13:24:34,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:24:34,249 INFO L225 Difference]: With dead ends: 19 [2018-07-25 13:24:34,249 INFO L226 Difference]: Without dead ends: 0 [2018-07-25 13:24:34,250 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-25 13:24:34,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-07-25 13:24:34,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-07-25 13:24:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-07-25 13:24:34,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-07-25 13:24:34,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2018-07-25 13:24:34,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:24:34,254 INFO L472 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-07-25 13:24:34,255 INFO L473 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-25 13:24:34,255 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-07-25 13:24:34,255 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-07-25 13:24:34,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-07-25 13:24:34,447 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONASSERT(line 56) the Hoare annotation is: false [2018-07-25 13:24:34,447 INFO L418 ceAbstractionStarter]: At program point ULTIMATE.startEXIT(lines 1 57) the Hoare annotation is: false [2018-07-25 13:24:34,447 INFO L425 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 57) the Hoare annotation is: true [2018-07-25 13:24:34,447 INFO L418 ceAbstractionStarter]: At program point L29(lines 29 55) the Hoare annotation is: false [2018-07-25 13:24:34,448 INFO L422 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 57) no Hoare annotation was computed. [2018-07-25 13:24:34,449 INFO L418 ceAbstractionStarter]: At program point L54(lines 16 54) the Hoare annotation is: (let ((.cse4 (div ULTIMATE.start_main_~y~5 2))) (let ((.cse2 (* 4294967296 (div (+ ULTIMATE.start_main_~y~5 (* (- 2) .cse4)) 4294967296))) (.cse3 (* 2 .cse4))) (let ((.cse1 (+ .cse2 .cse3 ULTIMATE.start_main_~x~5)) (.cse0 (<= ULTIMATE.start_main_~y~5 (+ .cse2 .cse3)))) (or (and (<= 19 ULTIMATE.start_main_~x~5) .cse0 (<= ULTIMATE.start_main_~x~5 19)) (and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)) (and (<= 95 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 95) .cse0) (and (<= 38 ULTIMATE.start_main_~x~5) (<= .cse1 (+ ULTIMATE.start_main_~y~5 38)) .cse0) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 114)) (<= 114 ULTIMATE.start_main_~x~5) .cse0) (and .cse0 (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 57)) .cse0 (<= 57 ULTIMATE.start_main_~x~5)))))) [2018-07-25 13:24:34,455 INFO L418 ceAbstractionStarter]: At program point L19(lines 19 30) the Hoare annotation is: (let ((.cse4 (div ULTIMATE.start_main_~y~5 2))) (let ((.cse2 (* 4294967296 (div (+ ULTIMATE.start_main_~y~5 (* (- 2) .cse4)) 4294967296))) (.cse3 (* 2 .cse4))) (let ((.cse1 (+ .cse2 .cse3 ULTIMATE.start_main_~x~5)) (.cse0 (<= ULTIMATE.start_main_~y~5 (+ .cse2 .cse3)))) (or (and (<= 19 ULTIMATE.start_main_~x~5) .cse0 (<= ULTIMATE.start_main_~x~5 19)) (and (<= ULTIMATE.start_main_~x~5 0) (<= 0 ULTIMATE.start_main_~x~5)) (and (<= 95 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 95) .cse0) (and (<= 38 ULTIMATE.start_main_~x~5) (<= .cse1 (+ ULTIMATE.start_main_~y~5 38)) .cse0) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 114)) (<= 114 ULTIMATE.start_main_~x~5) .cse0) (and .cse0 (<= 76 ULTIMATE.start_main_~x~5) (<= ULTIMATE.start_main_~x~5 76)) (and (<= .cse1 (+ ULTIMATE.start_main_~y~5 57)) .cse0 (<= 57 ULTIMATE.start_main_~x~5)))))) [2018-07-25 13:24:34,484 INFO L202 PluginConnector]: Adding new model diamond2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:24:34 BoogieIcfgContainer [2018-07-25 13:24:34,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:24:34,487 INFO L168 Benchmark]: Toolchain (without parser) took 2491.76 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 158.6 MB). Peak memory consumption was 158.6 MB. Max. memory is 7.1 GB. [2018-07-25 13:24:34,490 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 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 13:24:34,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.36 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. [2018-07-25 13:24:34,492 INFO L168 Benchmark]: Boogie Preprocessor took 46.83 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 13:24:34,492 INFO L168 Benchmark]: RCFGBuilder took 332.37 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-25 13:24:34,495 INFO L168 Benchmark]: TraceAbstraction took 2062.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. [2018-07-25 13:24:34,505 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 0.14 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 42.36 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. * Boogie Preprocessor took 46.83 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 332.37 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2062.77 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 148.0 MB). Peak memory consumption was 148.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 56]: 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: 16]: Loop Invariant Derived loop invariant: (((((((19 <= main_~x~5 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && main_~x~5 <= 19) || (main_~x~5 <= 0 && 0 <= main_~x~5)) || ((95 <= main_~x~5 && main_~x~5 <= 95) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((38 <= main_~x~5 && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 38) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 114 && 114 <= main_~x~5) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 76 <= main_~x~5) && main_~x~5 <= 76)) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 57 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && 57 <= main_~x~5) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: false - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: (((((((19 <= main_~x~5 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && main_~x~5 <= 19) || (main_~x~5 <= 0 && 0 <= main_~x~5)) || ((95 <= main_~x~5 && main_~x~5 <= 95) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((38 <= main_~x~5 && 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 38) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 114 && 114 <= main_~x~5) && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2))) || ((main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) && 76 <= main_~x~5) && main_~x~5 <= 76)) || ((4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2) + main_~x~5 <= main_~y~5 + 57 && main_~y~5 <= 4294967296 * ((main_~y~5 + -2 * (main_~y~5 / 2)) / 4294967296) + 2 * (main_~y~5 / 2)) && 57 <= main_~x~5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 7 OverallIterations, 7 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 SDtfs, 0 SDslu, 134 SDs, 0 SdLazy, 181 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=6, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 20 NumberOfFragments, 446 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 144 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 70 NumberOfCodeBlocks, 70 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 11215 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 0/112 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/diamond2.i_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-24-34-531.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/diamond2.i_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-24-34-531.csv Received shutdown request...