java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:57:17,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:57:17,226 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:57:17,243 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:57:17,243 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:57:17,244 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:57:17,245 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:57:17,247 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:57:17,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:57:17,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:57:17,251 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:57:17,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:57:17,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:57:17,253 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:57:17,254 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:57:17,255 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:57:17,256 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:57:17,258 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:57:17,260 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:57:17,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:57:17,263 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:57:17,264 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:57:17,267 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:57:17,267 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:57:17,268 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:57:17,268 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:57:17,269 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:57:17,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:57:17,276 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:57:17,277 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:57:17,277 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:57:17,278 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:57:17,278 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:57:17,278 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:57:17,282 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:57:17,283 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:57:17,283 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:57:17,298 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:57:17,298 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:57:17,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:57:17,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:57:17,301 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:57:17,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:57:17,364 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:57:17,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:57:17,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:57:17,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:57:17,395 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:57:17,396 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-07-23 15:57:17,397 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-07-23 15:57:17,459 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:57:17,460 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:57:17,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:57:17,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:57:17,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:57:17,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,511 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/1) ... [2018-07-23 15:57:17,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:57:17,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:57:17,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:57:17,515 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:57:17,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (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 [2018-07-23 15:57:17,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:57:17,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:57:17,776 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:57:17,777 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:17 BoogieIcfgContainer [2018-07-23 15:57:17,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:57:17,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:57:17,779 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:57:17,782 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:57:17,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:57:17" (1/2) ... [2018-07-23 15:57:17,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32feb2a and model type gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:57:17, skipping insertion in model container [2018-07-23 15:57:17,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:57:17" (2/2) ... [2018-07-23 15:57:17,786 INFO L112 eAbstractionObserver]: Analyzing ICFG gauss_sum.i_3.bpl [2018-07-23 15:57:17,796 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:57:17,804 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:57:17,855 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:57:17,856 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:57:17,856 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:57:17,856 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:57:17,856 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:57:17,856 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:57:17,857 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:57:17,857 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:57:17,857 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:57:17,878 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:57:17,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:57:17,890 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:17,891 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:57:17,892 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:17,898 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 15:57:17,903 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:18,244 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:57:18,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 15:57:18,248 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 15:57:18,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 15:57:18,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:57:18,257 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 15:57:18,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:57:18,315 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:57:18,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 15:57:18,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 15:57:18,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:57:18,334 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:57:18,334 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:57:18,337 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 15:57:18,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:57:18,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:57:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:57:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:57:18,381 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:57:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:57:18,382 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:57:18,382 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 15:57:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:57:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:57:18,382 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:57:18,383 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:57:18,383 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:57:18,383 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 15:57:18,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:57:19,027 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-07-23 15:57:20,313 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:21,507 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-07-23 15:57:22,184 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-07-23 15:57:23,123 WARN L169 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-07-23 15:57:23,656 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:24,225 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-23 15:57:24,766 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:25,341 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-23 15:57:26,162 WARN L169 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-23 15:57:26,604 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:27,209 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-23 15:57:28,515 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-23 15:57:30,195 WARN L169 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-07-23 15:57:31,880 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-23 15:57:33,663 WARN L169 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-07-23 15:57:35,463 WARN L169 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-07-23 15:57:37,727 WARN L169 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-23 15:57:38,999 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:40,251 WARN L169 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-07-23 15:57:42,546 WARN L169 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-07-23 15:57:43,943 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:45,814 WARN L169 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-07-23 15:57:48,857 WARN L169 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2018-07-23 15:57:52,240 WARN L169 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-23 15:57:55,769 WARN L169 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-07-23 15:57:57,691 WARN L169 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:57:59,335 WARN L169 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-07-23 15:58:03,121 WARN L169 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2018-07-23 15:58:07,962 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 332 [2018-07-23 15:58:12,576 WARN L169 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-23 15:58:15,453 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:58:17,410 WARN L169 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-07-23 15:58:20,348 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:58:23,138 WARN L169 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 369 [2018-07-23 15:58:29,624 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 381 [2018-07-23 15:58:33,471 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:58:36,798 WARN L169 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 394 [2018-07-23 15:58:40,829 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:58:43,601 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2018-07-23 15:58:48,093 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:58:50,936 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 419 [2018-07-23 15:58:58,118 WARN L169 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-23 15:59:06,166 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 444 [2018-07-23 15:59:15,479 WARN L169 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 455 [2018-07-23 15:59:21,434 WARN L169 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 15:59:25,433 WARN L169 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 468 [2018-07-23 15:59:32,478 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2018-07-23 15:59:36,187 WARN L169 SmtUtils]: Spent 2.29 s on a formula simplification that was a NOOP. DAG size: 480 [2018-07-23 15:59:46,376 WARN L169 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 493 [2018-07-23 15:59:57,766 WARN L169 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 505 [2018-07-23 16:00:09,451 WARN L169 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 518 [2018-07-23 16:00:21,974 WARN L169 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 530 [2018-07-23 16:00:36,285 WARN L169 SmtUtils]: Spent 3.04 s on a formula simplification that was a NOOP. DAG size: 543 [2018-07-23 16:00:49,700 WARN L169 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 555 [2018-07-23 16:01:04,229 WARN L169 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 567 [2018-07-23 16:01:21,194 WARN L169 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 579 [2018-07-23 16:01:32,735 WARN L169 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-23 16:01:38,373 WARN L169 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 592 [2018-07-23 16:01:56,110 WARN L169 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 604 Received shutdown request... [2018-07-23 16:02:07,845 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 16:02:07,850 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 16:02:07,850 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 04:02:07 BoogieIcfgContainer [2018-07-23 16:02:07,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 16:02:07,851 INFO L168 Benchmark]: Toolchain (without parser) took 290391.90 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.0 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 336.7 MB). Peak memory consumption was 77.7 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:07,852 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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. [2018-07-23 16:02:07,853 INFO L168 Benchmark]: Boogie Preprocessor took 52.75 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. [2018-07-23 16:02:07,853 INFO L168 Benchmark]: RCFGBuilder took 262.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:07,857 INFO L168 Benchmark]: TraceAbstraction took 290071.84 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 315.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. [2018-07-23 16:02:07,868 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 0.24 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 52.75 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 262.63 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 290071.84 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.0 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 315.5 MB). Peak memory consumption was 56.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 45). 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, 290.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s 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: 0.3s 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/gauss_sum.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_16-02-07-881.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_16-02-07-881.csv Completed graceful shutdown