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/count_by_2.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:53:55,120 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:53:55,123 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:53:55,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:53:55,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:53:55,137 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:53:55,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:53:55,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:53:55,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:53:55,144 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:53:55,145 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:53:55,145 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:53:55,146 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:53:55,147 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:53:55,148 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:53:55,149 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:53:55,150 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:53:55,152 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:53:55,154 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:53:55,156 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:53:55,157 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:53:55,158 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:53:55,161 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:53:55,161 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:53:55,161 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:53:55,162 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:53:55,163 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:53:55,164 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:53:55,165 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:53:55,167 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:53:55,167 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:53:55,168 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:53:55,168 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:53:55,168 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:53:55,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:53:55,170 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:53:55,170 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 13:53:55,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:53:55,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:53:55,188 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:53:55,188 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:53:55,188 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:53:55,188 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:53:55,189 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:53:55,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:53:55,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:53:55,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:53:55,262 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:53:55,262 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:53:55,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl [2018-07-25 13:53:55,264 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_2.i_3.bpl' [2018-07-25 13:53:55,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:53:55,328 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:53:55,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:53:55,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:53:55,331 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:53:55,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,365 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:53:55,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:53:55,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:53:55,375 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:53:55,388 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,396 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/1) ... [2018-07-25 13:53:55,399 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:53:55,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:53:55,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:53:55,400 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:53:55,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (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 13:53:55,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:53:55,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:53:55,661 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:53:55,662 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:53:55 BoogieIcfgContainer [2018-07-25 13:53:55,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:53:55,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:53:55,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:53:55,667 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:53:55,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:53:55" (1/2) ... [2018-07-25 13:53:55,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d4463d and model type count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:53:55, skipping insertion in model container [2018-07-25 13:53:55,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:53:55" (2/2) ... [2018-07-25 13:53:55,672 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bpl [2018-07-25 13:53:55,682 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:53:55,691 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:53:55,741 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:53:55,742 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:53:55,742 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:53:55,742 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:53:55,742 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:53:55,743 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:53:55,743 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:53:55,743 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:53:55,743 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:53:55,759 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:53:55,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:53:55,768 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:53:55,770 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:53:55,771 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:53:55,777 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 13:53:55,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:53:56,112 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:53:56,113 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:53:56,117 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:53:56,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:53:56,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:53:56,127 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 13:53:56,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:53:56,160 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 13:53:56,161 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:53:56,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:53:56,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:53:56,174 INFO L225 Difference]: With dead ends: 10 [2018-07-25 13:53:56,174 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 13:53:56,178 INFO L574 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 [2018-07-25 13:53:56,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 13:53:56,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 13:53:56,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 13:53:56,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 13:53:56,220 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 13:53:56,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:53:56,220 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 13:53:56,221 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:53:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 13:53:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 13:53:56,221 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:53:56,222 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 13:53:56,222 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:53:56,224 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 13:53:56,237 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:53:56,966 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-07-25 13:53:57,464 WARN L169 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-07-25 13:53:58,101 WARN L169 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-25 13:54:00,064 WARN L169 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-25 13:54:02,107 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-07-25 13:54:02,947 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-25 13:54:03,715 WARN L169 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 13:54:04,522 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-07-25 13:54:05,472 WARN L169 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-07-25 13:54:06,810 WARN L169 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-25 13:54:07,917 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-07-25 13:54:09,223 WARN L169 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-07-25 13:54:10,639 WARN L169 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-25 13:54:12,236 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-07-25 13:54:13,877 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-07-25 13:54:15,723 WARN L169 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-25 13:54:17,832 WARN L169 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-07-25 13:54:20,079 WARN L169 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2018-07-25 13:54:22,615 WARN L169 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-25 13:54:25,289 WARN L169 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-07-25 13:54:28,110 WARN L169 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-07-25 13:54:31,746 WARN L169 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-25 13:54:34,534 WARN L169 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-07-25 13:54:36,005 WARN L169 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-07-25 13:54:39,662 WARN L169 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-07-25 13:54:43,505 WARN L169 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 13:54:47,642 WARN L169 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-07-25 13:54:52,277 WARN L169 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-07-25 13:54:57,171 WARN L169 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-25 13:55:02,283 WARN L169 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-07-25 13:55:07,820 WARN L169 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-25 13:55:13,838 WARN L169 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-25 13:55:19,923 WARN L169 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-07-25 13:55:26,635 WARN L169 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-07-25 13:55:34,166 WARN L169 SmtUtils]: Spent 472.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-25 13:55:41,651 WARN L169 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-07-25 13:55:49,640 WARN L169 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-07-25 13:55:57,941 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-25 13:56:06,621 WARN L169 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-07-25 13:56:15,801 WARN L169 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 481 [2018-07-25 13:56:25,543 WARN L169 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-25 13:56:36,013 WARN L169 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-07-25 13:56:46,795 WARN L169 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2018-07-25 13:56:58,179 WARN L169 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 13:57:10,109 WARN L169 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-07-25 13:57:22,536 WARN L169 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 541 [2018-07-25 13:57:35,549 WARN L169 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-07-25 13:57:49,232 WARN L169 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-07-25 13:58:03,594 WARN L169 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 571 [2018-07-25 13:58:18,691 WARN L169 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-07-25 13:58:34,590 WARN L169 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 591 Received shutdown request... [2018-07-25 13:58:41,411 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:58:41,412 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:58:41,417 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:58:41,418 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:58:41 BoogieIcfgContainer [2018-07-25 13:58:41,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:58:41,419 INFO L168 Benchmark]: Toolchain (without parser) took 286093.14 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -250.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 358.3 MB). Peak memory consumption was 108.3 MB. Max. memory is 7.1 GB. [2018-07-25 13:58:41,420 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:41,420 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:41,421 INFO L168 Benchmark]: Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:41,421 INFO L168 Benchmark]: RCFGBuilder took 263.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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. [2018-07-25 13:58:41,422 INFO L168 Benchmark]: TraceAbstraction took 285754.42 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -250.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 337.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:58:41,426 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 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 44.97 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 24.52 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 263.03 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 285754.42 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -250.1 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 337.2 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 31]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 31). 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, 285.6s 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/count_by_2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-58-41-441.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-58-41-441.csv Completed graceful shutdown