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/gauss_sum.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:57:08,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:57:08,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:57:08,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:57:08,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:57:08,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:57:08,404 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:57:08,406 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:57:08,408 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:57:08,409 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:57:08,409 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:57:08,410 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:57:08,411 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:57:08,411 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:57:08,413 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:57:08,413 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:57:08,414 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:57:08,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:57:08,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:57:08,419 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:57:08,420 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:57:08,422 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:57:08,424 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:57:08,424 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:57:08,425 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:57:08,425 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:57:08,426 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:57:08,427 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:57:08,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:57:08,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:57:08,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:57:08,430 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:57:08,431 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:57:08,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:57:08,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:57:08,434 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:57:08,434 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 13:57:08,443 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:57:08,443 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:57:08,445 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:57:08,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:57:08,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:57:08,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:57:08,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:57:08,507 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:57:08,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:57:08,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:57:08,526 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:57:08,526 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:57:08,527 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl [2018-07-25 13:57:08,527 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gauss_sum.i_3.bpl' [2018-07-25 13:57:08,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:57:08,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:57:08,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:57:08,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:57:08,575 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:57:08,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,612 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:57:08,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:57:08,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:57:08,613 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:57:08,624 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,624 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,625 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,625 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,628 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,630 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,631 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 25.07 01:57:08" (1/1) ... [2018-07-25 13:57:08,632 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:57:08,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:57:08,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:57:08,633 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:57:08,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:57:08" (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 13:57:08,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:57:08,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:57:08,970 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:57:08,971 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:57:08 BoogieIcfgContainer [2018-07-25 13:57:08,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:57:08,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:57:08,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:57:08,977 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:57:08,977 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:57:08" (1/2) ... [2018-07-25 13:57:08,978 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3db2ea27 and model type gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:57:08, skipping insertion in model container [2018-07-25 13:57:08,978 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 25.07 01:57:08" (2/2) ... [2018-07-25 13:57:08,980 INFO L112 eAbstractionObserver]: Analyzing ICFG gauss_sum.i_3.bpl [2018-07-25 13:57:08,991 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:57:09,000 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:57:09,051 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:57:09,052 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:57:09,052 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:57:09,052 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:57:09,053 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:57:09,053 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:57:09,053 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:57:09,053 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:57:09,053 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:57:09,073 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:57:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:57:09,085 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:57:09,086 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:57:09,087 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:57:09,093 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 13:57:09,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:57:09,311 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-07-25 13:57:09,583 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:57:09,583 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:57:09,587 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:57:09,592 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:57:09,593 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:57:09,596 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 13:57:09,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:57:09,677 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:57:09,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:57:09,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:57:09,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:57:09,690 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:57:09,690 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:57:09,694 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:57:09,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:57:09,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:57:09,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:57:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:57:09,728 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:57:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:57:09,729 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:57:09,729 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:57:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:57:09,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:57:09,730 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:57:09,730 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:57:09,730 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:57:09,731 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 13:57:09,739 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:57:10,362 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 20 [2018-07-25 13:57:11,621 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:12,777 WARN L169 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-07-25 13:57:13,484 WARN L169 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2018-07-25 13:57:14,421 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-07-25 13:57:14,988 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:15,577 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-07-25 13:57:16,146 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:16,745 WARN L169 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 13:57:17,573 WARN L169 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-07-25 13:57:18,029 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:18,671 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 13:57:20,007 WARN L169 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 13:57:21,653 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-07-25 13:57:23,281 WARN L169 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-25 13:57:25,074 WARN L169 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-07-25 13:57:26,830 WARN L169 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-07-25 13:57:29,229 WARN L169 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-25 13:57:30,548 WARN L169 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:31,782 WARN L169 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-07-25 13:57:34,010 WARN L169 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-07-25 13:57:35,342 WARN L169 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:37,160 WARN L169 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-07-25 13:57:40,258 WARN L169 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2018-07-25 13:57:43,530 WARN L169 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-07-25 13:57:47,106 WARN L169 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-07-25 13:57:48,980 WARN L169 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:57:50,611 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-07-25 13:57:54,391 WARN L169 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2018-07-25 13:57:59,249 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 332 [2018-07-25 13:58:03,718 WARN L169 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-07-25 13:58:08,447 WARN L169 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-07-25 13:58:11,480 WARN L169 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:58:14,243 WARN L169 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 369 [2018-07-25 13:58:20,789 WARN L169 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 13:58:24,832 WARN L169 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:58:28,064 WARN L169 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 394 [2018-07-25 13:58:32,172 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:58:34,849 WARN L169 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 406 [2018-07-25 13:58:39,431 WARN L169 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:58:42,267 WARN L169 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 419 [2018-07-25 13:58:49,553 WARN L169 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-25 13:58:57,780 WARN L169 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 444 [2018-07-25 13:59:06,917 WARN L169 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 455 [2018-07-25 13:59:12,804 WARN L169 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 13:59:16,676 WARN L169 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 468 [2018-07-25 13:59:27,188 WARN L169 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 480 [2018-07-25 13:59:37,053 WARN L169 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 493 [2018-07-25 13:59:48,094 WARN L169 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 505 [2018-07-25 13:59:59,672 WARN L169 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 518 [2018-07-25 14:00:11,870 WARN L169 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 530 [2018-07-25 14:00:25,923 WARN L169 SmtUtils]: Spent 3.03 s on a formula simplification that was a NOOP. DAG size: 543 [2018-07-25 14:00:38,950 WARN L169 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 555 [2018-07-25 14:00:53,085 WARN L169 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 567 [2018-07-25 14:01:09,788 WARN L169 SmtUtils]: Spent 3.19 s on a formula simplification that was a NOOP. DAG size: 579 [2018-07-25 14:01:21,052 WARN L169 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-07-25 14:01:26,650 WARN L169 SmtUtils]: Spent 2.74 s on a formula simplification that was a NOOP. DAG size: 592 [2018-07-25 14:01:43,853 WARN L169 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 604 Received shutdown request... [2018-07-25 14:01:55,550 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:01:55,550 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:01:55,556 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:01:55,557 INFO L202 PluginConnector]: Adding new model gauss_sum.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:01:55 BoogieIcfgContainer [2018-07-25 14:01:55,557 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:01:55,558 INFO L168 Benchmark]: Toolchain (without parser) took 286985.35 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -278.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 350.0 MB). Peak memory consumption was 71.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:01:55,559 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 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 14:01:55,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.22 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 14:01:55,560 INFO L168 Benchmark]: Boogie Preprocessor took 19.45 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 14:01:55,561 INFO L168 Benchmark]: RCFGBuilder took 338.22 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 14:01:55,561 INFO L168 Benchmark]: TraceAbstraction took 286584.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -278.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 328.9 MB). Peak memory consumption was 50.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:01:55,566 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 0.17 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 38.22 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 19.45 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. * RCFGBuilder took 338.22 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 286584.00 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -278.9 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 328.9 MB). Peak memory consumption was 50.0 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, 286.5s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s 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, 0.3s 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: 0.4s 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-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-01-55-584.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gauss_sum.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-01-55-584.csv Completed graceful shutdown