java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:07:34,741 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:07:34,744 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:07:34,758 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:07:34,758 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:07:34,759 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:07:34,760 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:07:34,762 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:07:34,764 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:07:34,765 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:07:34,766 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:07:34,766 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:07:34,767 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:07:34,768 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:07:34,769 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:07:34,770 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:07:34,771 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:07:34,773 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:07:34,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:07:34,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:07:34,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:07:34,778 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:07:34,781 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:07:34,781 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:07:34,781 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:07:34,782 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:07:34,783 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:07:34,784 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:07:34,785 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:07:34,786 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:07:34,786 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:07:34,787 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:07:34,787 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:07:34,787 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:07:34,788 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:07:34,789 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:07:34,789 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 09:07:34,797 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:07:34,798 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:07:34,799 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:07:34,799 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:07:34,799 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:07:34,800 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:07:34,800 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:07:34,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:07:34,874 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:07:34,882 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:07:34,884 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:07:34,885 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:07:34,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl [2018-09-26 09:07:34,886 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl' [2018-09-26 09:07:34,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:07:34,937 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:07:34,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:07:34,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:07:34,938 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:07:34,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,969 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,977 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:07:34,978 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:07:34,978 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:07:34,978 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:07:34,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,993 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,994 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... [2018-09-26 09:07:34,996 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:07:34,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:07:34,997 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:07:34,997 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:07:34,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 09:07:35,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:07:35,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:07:35,329 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:07:35,330 INFO L202 PluginConnector]: Adding new model sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:07:35 BoogieIcfgContainer [2018-09-26 09:07:35,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:07:35,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:07:35,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:07:35,334 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:07:35,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:34" (1/2) ... [2018-09-26 09:07:35,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75fd2172 and model type sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:07:35, skipping insertion in model container [2018-09-26 09:07:35,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:07:35" (2/2) ... [2018-09-26 09:07:35,338 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01.i_3.bpl [2018-09-26 09:07:35,348 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:07:35,356 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:07:35,404 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:07:35,405 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:07:35,405 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:07:35,405 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:07:35,406 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:07:35,406 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:07:35,406 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:07:35,406 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:07:35,406 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:07:35,422 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:07:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:07:35,431 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:07:35,432 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:07:35,433 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:07:35,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:07:35,439 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:07:35,466 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:07:35,771 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:07:35,771 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:07:35,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:07:35,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:07:35,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:07:35,784 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:07:35,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:07:35,827 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:07:35,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:07:35,829 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:07:35,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:07:35,851 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:07:35,851 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:07:35,861 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:07:35,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:07:35,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:07:35,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:07:35,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:07:35,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:07:35,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:07:35,901 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:07:35,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:07:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:07:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:07:35,902 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:07:35,903 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:07:35,903 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:07:35,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:07:35,904 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:07:35,915 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:07:36,522 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-09-26 09:07:37,144 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2018-09-26 09:07:37,961 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 09:07:39,331 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-09-26 09:07:39,933 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:07:40,520 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 09:07:41,214 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-09-26 09:07:41,950 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-26 09:07:42,755 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-09-26 09:07:43,805 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-26 09:07:44,721 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 09:07:45,813 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-26 09:07:47,013 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-09-26 09:07:48,530 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-26 09:07:50,313 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-26 09:07:52,042 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-09-26 09:07:53,958 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-09-26 09:07:56,040 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-26 09:07:58,422 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 09:08:00,981 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-09-26 09:08:03,759 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-09-26 09:08:06,782 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-26 09:08:10,231 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2018-09-26 09:08:13,941 WARN L178 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-09-26 09:08:17,775 WARN L178 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-09-26 09:08:22,030 WARN L178 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2018-09-26 09:08:27,057 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-09-26 09:08:33,027 WARN L178 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-26 09:08:38,576 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-09-26 09:08:44,687 WARN L178 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-09-26 09:08:50,996 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-09-26 09:08:57,942 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 487 [2018-09-26 09:09:05,415 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2018-09-26 09:09:13,045 WARN L178 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-09-26 09:09:21,426 WARN L178 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-09-26 09:09:30,259 WARN L178 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-09-26 09:09:39,967 WARN L178 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2018-09-26 09:09:49,952 WARN L178 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2018-09-26 09:10:00,922 WARN L178 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-09-26 09:10:12,439 WARN L178 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2018-09-26 09:10:24,488 WARN L178 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2018-09-26 09:10:37,383 WARN L178 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2018-09-26 09:10:51,114 WARN L178 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2018-09-26 09:11:05,469 WARN L178 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-09-26 09:11:21,224 WARN L178 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2018-09-26 09:11:37,781 WARN L178 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2018-09-26 09:11:54,795 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 689 [2018-09-26 09:12:13,008 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 703 Received shutdown request... [2018-09-26 09:12:20,393 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:12:20,393 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:12:20,399 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:12:20,399 INFO L202 PluginConnector]: Adding new model sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:12:20 BoogieIcfgContainer [2018-09-26 09:12:20,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:12:20,401 INFO L168 Benchmark]: Toolchain (without parser) took 285466.12 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -170.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 279.2 MB). Peak memory consumption was 108.8 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:20,402 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:12:20,403 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:12:20,403 INFO L168 Benchmark]: Boogie Preprocessor took 18.88 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:12:20,404 INFO L168 Benchmark]: RCFGBuilder took 333.04 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:20,405 INFO L168 Benchmark]: TraceAbstraction took 285068.58 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -170.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 258.1 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:12:20,409 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 0.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.42 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.88 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 333.04 ms. Allocated memory is still 1.6 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 285068.58 ms. Allocated memory was 1.6 GB in the beginning and 1.4 GB in the end (delta: -170.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 258.1 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 42]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 42). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 285.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s 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/sum01.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-12-20-429.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum01.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-12-20-429.csv Completed graceful shutdown