java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:45:13,042 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:45:13,045 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:45:13,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:45:13,058 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:45:13,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:45:13,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:45:13,062 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:45:13,064 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:45:13,065 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:45:13,066 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:45:13,066 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:45:13,067 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:45:13,068 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:45:13,069 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:45:13,070 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:45:13,071 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:45:13,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:45:13,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:45:13,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:45:13,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:45:13,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:45:13,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:45:13,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:45:13,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:45:13,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:45:13,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:45:13,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:45:13,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:45:13,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:45:13,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:45:13,089 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:45:13,089 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:45:13,089 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:45:13,090 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:45:13,091 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:45:13,091 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:45:13,104 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:45:13,104 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:45:13,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:45:13,106 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:45:13,106 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:45:13,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:13,107 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:45:13,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:45:13,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:45:13,174 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:45:13,175 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:45:13,176 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:45:13,177 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-09-26 08:45:13,177 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-09-26 08:45:13,222 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:45:13,225 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:45:13,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:45:13,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:45:13,226 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:45:13,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:45:13,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:45:13,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:45:13,265 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:45:13,276 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,276 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,277 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... [2018-09-26 08:45:13,285 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:45:13,285 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:45:13,286 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:45:13,286 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:45:13,289 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:45:13,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:45:13,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:45:13,516 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:45:13,517 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:45:13 BoogieIcfgContainer [2018-09-26 08:45:13,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:45:13,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:45:13,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:45:13,522 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:45:13,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:45:13" (1/2) ... [2018-09-26 08:45:13,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495f5155 and model type count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:45:13, skipping insertion in model container [2018-09-26 08:45:13,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:45:13" (2/2) ... [2018-09-26 08:45:13,526 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_k.i_3.bpl [2018-09-26 08:45:13,536 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:45:13,545 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:45:13,601 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:45:13,602 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:45:13,603 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:45:13,603 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:45:13,603 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:45:13,603 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:45:13,604 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:45:13,604 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:45:13,604 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:45:13,623 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:45:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:45:13,636 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:45:13,637 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:45:13,639 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:45:13,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:45:13,654 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:13,676 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:45:13,886 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:45:13,886 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:45:13,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:45:13,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:45:13,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:45:13,908 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 08:45:13,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:45:13,968 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:45:13,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:45:13,970 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 08:45:13,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:45:13,982 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:45:13,982 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:45:13,986 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:45:14,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:45:14,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:45:14,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:45:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:45:14,023 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:45:14,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:45:14,023 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:45:14,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:45:14,024 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:45:14,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:45:14,024 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:45:14,024 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:45:14,025 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:45:14,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:45:14,025 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:45:14,037 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:45:14,850 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-09-26 08:45:17,050 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2018-09-26 08:45:18,306 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-09-26 08:45:19,269 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 08:45:19,947 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 08:45:20,627 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-26 08:45:21,737 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-09-26 08:45:22,611 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 08:45:23,592 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-26 08:45:24,733 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2018-09-26 08:45:26,404 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 08:45:27,835 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-26 08:45:29,389 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 08:45:31,150 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-26 08:45:33,064 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-09-26 08:45:35,258 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-26 08:45:37,636 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-09-26 08:45:40,178 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 08:45:42,968 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-26 08:45:46,019 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 335 [2018-09-26 08:45:49,304 WARN L178 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-26 08:45:53,174 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2018-09-26 08:45:57,628 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 08:46:01,027 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-09-26 08:46:02,760 WARN L178 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-26 08:46:07,280 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2018-09-26 08:46:10,796 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-09-26 08:46:12,324 WARN L178 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 08:46:17,692 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2018-09-26 08:46:23,507 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 08:46:29,577 WARN L178 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-26 08:46:36,061 WARN L178 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2018-09-26 08:46:43,242 WARN L178 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 467 [2018-09-26 08:46:50,697 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 479 [2018-09-26 08:46:58,513 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 08:47:07,067 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 503 [2018-09-26 08:47:16,217 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2018-09-26 08:47:25,837 WARN L178 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-09-26 08:47:36,073 WARN L178 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-09-26 08:47:46,825 WARN L178 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 08:47:58,130 WARN L178 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2018-09-26 08:48:10,151 WARN L178 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 575 [2018-09-26 08:48:23,075 WARN L178 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2018-09-26 08:48:36,626 WARN L178 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 599 [2018-09-26 08:48:50,789 WARN L178 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-09-26 08:49:05,498 WARN L178 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 623 [2018-09-26 08:49:21,326 WARN L178 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 635 [2018-09-26 08:49:37,695 WARN L178 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 647 [2018-09-26 08:49:54,756 WARN L178 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 659 Received shutdown request... [2018-09-26 08:50:01,865 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:50:01,866 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:50:01,871 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:50:01,872 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:50:01 BoogieIcfgContainer [2018-09-26 08:50:01,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:50:01,873 INFO L168 Benchmark]: Toolchain (without parser) took 288650.41 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -166.2 MB). Free memory was 1.5 GB in the beginning and 990.5 MB in the end (delta: 471.6 MB). Peak memory consumption was 305.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:50:01,874 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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. [2018-09-26 08:50:01,875 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.50 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. [2018-09-26 08:50:01,875 INFO L168 Benchmark]: Boogie Preprocessor took 20.24 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. [2018-09-26 08:50:01,876 INFO L168 Benchmark]: RCFGBuilder took 231.45 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. [2018-09-26 08:50:01,877 INFO L168 Benchmark]: TraceAbstraction took 288353.97 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -166.2 MB). Free memory was 1.4 GB in the beginning and 990.5 MB in the end (delta: 450.5 MB). Peak memory consumption was 284.3 MB. Max. memory is 7.1 GB. [2018-09-26 08:50:01,881 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 0.18 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 38.50 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 20.24 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. * RCFGBuilder took 231.45 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 288353.97 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -166.2 MB). Free memory was 1.4 GB in the beginning and 990.5 MB in the end (delta: 450.5 MB). Peak memory consumption was 284.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 38]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 38). 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, 288.2s 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, 0.0s 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: 0.1s 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_k.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-50-01-895.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_k.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-50-01-895.csv Completed graceful shutdown