java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:15:43,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:15:43,433 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:15:43,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:15:43,448 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:15:43,449 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:15:43,450 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:15:43,453 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:15:43,456 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:15:43,460 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:15:43,461 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:15:43,465 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:15:43,466 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:15:43,467 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:15:43,472 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:15:43,472 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:15:43,473 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:15:43,478 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:15:43,483 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:15:43,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:15:43,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:15:43,491 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:15:43,496 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:15:43,498 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:15:43,498 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:15:43,500 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:15:43,501 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:15:43,504 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:15:43,516 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:15:43,518 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:15:43,518 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:15:43,519 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:15:43,519 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:15:43,519 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:15:43,520 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:15:43,521 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:15:43,521 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 14:15:43,531 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:15:43,531 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:15:43,533 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:15:43,533 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:15:43,533 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:15:43,533 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:15:43,534 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:15:43,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:15:43,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:15:43,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:15:43,606 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:15:43,607 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:15:43,608 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl [2018-07-25 14:15:43,608 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum01.i_3.bpl' [2018-07-25 14:15:43,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:15:43,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:15:43,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:15:43,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:15:43,675 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:15:43,699 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 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,713 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 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:15:43,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:15:43,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:15:43,723 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:15:43,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,746 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/1) ... [2018-07-25 14:15:43,748 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:15:43,749 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:15:43,749 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:15:43,750 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:15:43,751 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (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 14:15:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:15:43,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:15:44,097 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:15:44,098 INFO L202 PluginConnector]: Adding new model sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:15:44 BoogieIcfgContainer [2018-07-25 14:15:44,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:15:44,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:15:44,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:15:44,103 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:15:44,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:15:43" (1/2) ... [2018-07-25 14:15:44,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68fe5fb1 and model type sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:15:44, skipping insertion in model container [2018-07-25 14:15:44,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:15:44" (2/2) ... [2018-07-25 14:15:44,107 INFO L112 eAbstractionObserver]: Analyzing ICFG sum01.i_3.bpl [2018-07-25 14:15:44,118 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:15:44,132 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:15:44,187 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:15:44,189 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:15:44,189 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:15:44,189 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:15:44,189 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:15:44,189 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:15:44,190 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:15:44,190 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:15:44,190 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:15:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:15:44,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:15:44,227 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:15:44,228 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:15:44,231 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:15:44,239 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 [2018-07-25 14:15:44,267 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:15:44,639 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:15:44,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 14:15:44,646 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 14:15:44,654 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 14:15:44,655 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 14:15:44,658 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 14:15:44,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:15:44,734 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:15:44,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 14:15:44,737 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 14:15:44,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:15:44,751 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:15:44,751 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:15:44,755 INFO L574 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 [2018-07-25 14:15:44,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:15:44,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:15:44,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:15:44,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:15:44,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:15:44,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:15:44,797 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:15:44,797 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 14:15:44,797 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:15:44,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:15:44,798 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:15:44,798 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:15:44,798 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:15:44,799 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 [2018-07-25 14:15:44,820 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:15:45,394 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2018-07-25 14:15:45,868 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-07-25 14:15:46,199 WARN L169 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2018-07-25 14:15:46,941 WARN L169 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-07-25 14:15:48,435 WARN L169 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-25 14:15:49,086 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 14:15:49,879 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-07-25 14:15:50,701 WARN L169 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-07-25 14:15:51,557 WARN L169 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-07-25 14:15:52,296 WARN L169 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-25 14:15:53,396 WARN L169 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-25 14:15:54,304 WARN L169 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-07-25 14:15:55,474 WARN L169 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-07-25 14:15:56,678 WARN L169 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2018-07-25 14:15:58,102 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-07-25 14:15:59,938 WARN L169 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-07-25 14:16:01,700 WARN L169 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-07-25 14:16:03,597 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-07-25 14:16:05,816 WARN L169 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-07-25 14:16:08,209 WARN L169 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-25 14:16:11,031 WARN L169 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-07-25 14:16:13,867 WARN L169 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-07-25 14:16:17,245 WARN L169 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-07-25 14:16:20,779 WARN L169 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2018-07-25 14:16:24,605 WARN L169 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-07-25 14:16:28,646 WARN L169 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-07-25 14:16:33,339 WARN L169 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 406 [2018-07-25 14:16:38,670 WARN L169 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-07-25 14:16:42,709 WARN L169 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 24 [2018-07-25 14:16:44,772 WARN L169 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-07-25 14:16:50,525 WARN L169 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-07-25 14:16:56,812 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-07-25 14:17:03,302 WARN L169 SmtUtils]: Spent 559.00 ms on a formula simplification that was a NOOP. DAG size: 473 [2018-07-25 14:17:10,336 WARN L169 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 487 [2018-07-25 14:17:17,772 WARN L169 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2018-07-25 14:17:25,759 WARN L169 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-07-25 14:17:34,371 WARN L169 SmtUtils]: Spent 643.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-07-25 14:17:43,723 WARN L169 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-25 14:17:53,676 WARN L169 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 554 [2018-07-25 14:18:04,229 WARN L169 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 568 [2018-07-25 14:18:15,416 WARN L169 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-07-25 14:18:27,320 WARN L169 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 595 [2018-07-25 14:18:39,780 WARN L169 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 608 [2018-07-25 14:18:53,220 WARN L169 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 622 [2018-07-25 14:19:07,272 WARN L169 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2018-07-25 14:19:22,098 WARN L169 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-07-25 14:19:37,933 WARN L169 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2018-07-25 14:19:54,636 WARN L169 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2018-07-25 14:20:11,659 WARN L169 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 689 Received shutdown request... [2018-07-25 14:20:26,169 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:20:26,170 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:20:26,175 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:20:26,176 INFO L202 PluginConnector]: Adding new model sum01.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:20:26 BoogieIcfgContainer [2018-07-25 14:20:26,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:20:26,177 INFO L168 Benchmark]: Toolchain (without parser) took 282507.50 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -303.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 467.0 MB). Peak memory consumption was 163.9 MB. Max. memory is 7.1 GB. [2018-07-25 14:20:26,178 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 14:20:26,179 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.08 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 14:20:26,180 INFO L168 Benchmark]: Boogie Preprocessor took 26.61 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 14:20:26,180 INFO L168 Benchmark]: RCFGBuilder took 349.01 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 14:20:26,181 INFO L168 Benchmark]: TraceAbstraction took 282076.94 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -303.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 445.8 MB). Peak memory consumption was 142.8 MB. Max. memory is 7.1 GB. [2018-07-25 14:20:26,185 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 0.19 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 48.08 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 26.61 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 349.01 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 282076.94 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -303.0 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 445.8 MB). Peak memory consumption was 142.8 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 PredicateComparison was comparing new predicate (quantifier-free) to 155 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 281.9s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s 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, 0.2s 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: 0.2s 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-0-2018-07-25_14-20-26-197.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/sum01.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-20-26-197.csv Completed graceful shutdown