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/GeometricalIntegerCake.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:26:21,839 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:26:21,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:26:21,853 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:26:21,854 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:26:21,855 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:26:21,856 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:26:21,858 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:26:21,859 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:26:21,860 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:26:21,861 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:26:21,861 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:26:21,862 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:26:21,863 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:26:21,864 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:26:21,865 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:26:21,866 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:26:21,867 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:26:21,870 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:26:21,871 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:26:21,872 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:26:21,873 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:26:21,876 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:26:21,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:26:21,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:26:21,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:26:21,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:26:21,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:26:21,880 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:26:21,881 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:26:21,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:26:21,882 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-25 14:26:21,884 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 14:26:21,892 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:26:21,893 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:26:21,894 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:26:21,894 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:26:21,894 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:26:21,894 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:26:21,895 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:26:21,939 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:26:21,953 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:26:21,957 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:26:21,959 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:26:21,959 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:26:21,960 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl [2018-07-25 14:26:21,960 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HierarchicalTraceAbstraction/GeometricalIntegerCake.bpl' [2018-07-25 14:26:22,002 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:26:22,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:26:22,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:26:22,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:26:22,007 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:26:22,028 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,045 WARN L165 Inliner]: Program contained no entry procedure! [2018-07-25 14:26:22,045 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-07-25 14:26:22,045 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-07-25 14:26:22,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:26:22,048 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:26:22,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:26:22,048 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:26:22,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/1) ... [2018-07-25 14:26:22,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:26:22,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:26:22,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:26:22,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:26:22,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (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 14:26:22,143 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-25 14:26:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-25 14:26:22,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-25 14:26:22,412 INFO L270 CfgBuilder]: Using library mode [2018-07-25 14:26:22,413 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:26:22 BoogieIcfgContainer [2018-07-25 14:26:22,414 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:26:22,415 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:26:22,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:26:22,419 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:26:22,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:26:21" (1/2) ... [2018-07-25 14:26:22,420 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64219f2 and model type GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:26:22, skipping insertion in model container [2018-07-25 14:26:22,420 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:26:22" (2/2) ... [2018-07-25 14:26:22,422 INFO L112 eAbstractionObserver]: Analyzing ICFG GeometricalIntegerCake.bpl [2018-07-25 14:26:22,434 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:26:22,445 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2018-07-25 14:26:22,498 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:26:22,499 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:26:22,499 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:26:22,499 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:26:22,500 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:26:22,500 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:26:22,500 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:26:22,500 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:26:22,501 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:26:22,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:26:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-07-25 14:26:22,524 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:26:22,525 INFO L354 BasicCegarLoop]: trace histogram [1, 1] [2018-07-25 14:26:22,527 INFO L415 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 14:26:22,532 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 14:26:22,558 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:26:22,694 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:26:22,695 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-07-25 14:26:22,701 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:26:22,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:26:22,714 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:26:22,728 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:26:22,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:26:22,840 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-25 14:26:22,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:26:22,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2 [2018-07-25 14:26:22,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:26:22,855 INFO L225 Difference]: With dead ends: 8 [2018-07-25 14:26:22,855 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 14:26:22,859 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-25 14:26:22,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 14:26:22,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 14:26:22,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 14:26:22,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-25 14:26:22,892 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 2 [2018-07-25 14:26:22,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:26:22,893 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-25 14:26:22,893 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:26:22,893 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-25 14:26:22,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 14:26:22,893 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:26:22,894 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 14:26:22,894 INFO L415 AbstractCegarLoop]: === Iteration 2 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 14:26:22,894 INFO L82 PathProgramCache]: Analyzing trace with hash 29892, 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 14:26:22,904 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:26:23,026 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:26:23,026 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:26:23,027 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:26:23,028 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:26:23,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-07-25 14:26:23,029 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 4 states. [2018-07-25 14:26:23,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:26:23,085 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-25 14:26:23,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:26:23,085 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-07-25 14:26:23,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:26:23,086 INFO L225 Difference]: With dead ends: 8 [2018-07-25 14:26:23,086 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:26:23,087 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 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 14:26:23,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:26:23,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:26:23,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:26:23,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:26:23,092 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 3 [2018-07-25 14:26:23,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:26:23,092 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:26:23,093 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:26:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:26:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:26:23,093 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:26:23,093 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:26:23,094 INFO L415 AbstractCegarLoop]: === Iteration 3 === [mainErr1ASSERT_VIOLATIONASSERT, mainErr0ASSERT_VIOLATIONINVARIANTandASSERT]=== [2018-07-25 14:26:23,094 INFO L82 PathProgramCache]: Analyzing trace with hash 926592, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:26:23,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:26:23,408 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-07-25 14:26:23,971 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 Received shutdown request... [2018-07-25 14:31:04,696 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:31:04,697 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:31:04,702 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:31:04,703 INFO L202 PluginConnector]: Adding new model GeometricalIntegerCake.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:31:04 BoogieIcfgContainer [2018-07-25 14:31:04,703 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:31:04,704 INFO L168 Benchmark]: Toolchain (without parser) took 282700.53 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 354.9 MB). Peak memory consumption was 541.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:31:04,705 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 14:31:04,706 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.45 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 14:31:04,707 INFO L168 Benchmark]: Boogie Preprocessor took 20.25 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 14:31:04,707 INFO L168 Benchmark]: RCFGBuilder took 344.95 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 14:31:04,708 INFO L168 Benchmark]: TraceAbstraction took 282287.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 333.8 MB). Peak memory consumption was 519.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:31:04,716 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 41.45 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 20.25 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 344.95 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 282287.96 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 186.1 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 333.8 MB). Peak memory consumption was 519.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 36]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 36). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 40 known predicates. - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that loop invariant is valid and assertion always holds (line 30). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 40 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 2 error locations. TIMEOUT Result, 282.2s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 4 SDslu, 0 SDs, 0 SdLazy, 12 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=2, 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: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GeometricalIntegerCake.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-31-04-728.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GeometricalIntegerCake.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-31-04-728.csv Completed graceful shutdown