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/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:35:53,834 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:35:53,837 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:35:53,855 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:35:53,855 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:35:53,857 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:35:53,858 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:35:53,861 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:35:53,863 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:35:53,870 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:35:53,871 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:35:53,872 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:35:53,878 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:35:53,879 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:35:53,880 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:35:53,881 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:35:53,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:35:53,886 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:35:53,892 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:35:53,893 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:35:53,895 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:35:53,896 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:35:53,898 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:35:53,898 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:35:53,898 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:35:53,899 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:35:53,900 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:35:53,901 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:35:53,902 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:35:53,903 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:35:53,903 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:35:53,904 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:35:53,904 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:35:53,904 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:35:53,906 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:35:53,906 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:35:53,907 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 08:35:53,915 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:35:53,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:35:53,916 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:35:53,916 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:35:53,917 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:35:53,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:35:53,917 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:35:53,965 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:35:53,978 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:35:53,983 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:35:53,984 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:35:53,985 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:35:53,985 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 08:35:53,986 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl' [2018-09-26 08:35:54,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:35:54,045 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:35:54,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:35:54,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:35:54,047 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:35:54,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:35:54,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:35:54,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:35:54,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:35:54,103 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,103 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/1) ... [2018-09-26 08:35:54,113 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:35:54,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:35:54,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:35:54,114 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:35:54,117 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (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 08:35:54,192 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:35:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:35:54,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:35:54,328 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:35:54,328 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:35:54 BoogieIcfgContainer [2018-09-26 08:35:54,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:35:54,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:35:54,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:35:54,335 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:35:54,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:35:54" (1/2) ... [2018-09-26 08:35:54,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b38c6e and model type count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:35:54, skipping insertion in model container [2018-09-26 08:35:54,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:35:54" (2/2) ... [2018-09-26 08:35:54,340 INFO L112 eAbstractionObserver]: Analyzing ICFG count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 08:35:54,352 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:35:54,363 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:35:54,415 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:35:54,416 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:35:54,417 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:35:54,417 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:35:54,417 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:35:54,417 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:35:54,417 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:35:54,418 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:35:54,418 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:35:54,436 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:35:54,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:35:54,448 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:54,449 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:35:54,451 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:54,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:54,466 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, 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 08:35:54,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:54,787 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:35:54,788 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:35:54,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:35:54,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:35:54,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:35:54,814 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:35:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:35:54,859 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:35:54,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:35:54,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:35:54,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:35:54,874 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:35:54,875 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:35:54,878 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:35:54,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:35:54,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:35:54,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:35:54,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:35:54,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:35:54,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:35:54,914 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:35:54,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:35:54,915 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:35:54,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:35:54,915 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:35:54,915 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:35:54,916 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:35:54,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:35:54,916 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, 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 08:35:54,933 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:35:55,575 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-09-26 08:35:55,938 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-09-26 08:35:56,666 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-09-26 08:35:57,257 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-09-26 08:35:58,187 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 08:35:59,767 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-09-26 08:36:00,477 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-09-26 08:36:00,921 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 08:36:01,407 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-09-26 08:36:01,914 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-26 08:36:02,611 WARN L178 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2018-09-26 08:36:03,318 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 08:36:03,969 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-26 08:36:04,619 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-09-26 08:36:05,353 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-26 08:36:06,213 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-09-26 08:36:07,026 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-09-26 08:36:07,881 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 08:36:09,004 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-09-26 08:36:10,118 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-26 08:36:11,122 WARN L178 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-09-26 08:36:12,236 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-09-26 08:36:13,940 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-26 08:36:14,830 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-09-26 08:36:16,238 WARN L178 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 08:36:17,918 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-26 08:36:19,477 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2018-09-26 08:36:20,888 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 246 [2018-09-26 08:36:22,348 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-26 08:36:24,006 WARN L178 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-09-26 08:36:25,635 WARN L178 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 08:36:27,384 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 08:36:29,216 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 08:36:31,109 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-26 08:36:33,066 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2018-09-26 08:36:35,430 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-26 08:36:37,569 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 08:36:39,826 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-09-26 08:36:42,136 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-26 08:36:44,629 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-09-26 08:36:47,132 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-26 08:36:49,864 WARN L178 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2018-09-26 08:36:52,672 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 08:36:55,581 WARN L178 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-09-26 08:36:58,515 WARN L178 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 365 [2018-09-26 08:37:01,703 WARN L178 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-26 08:37:04,912 WARN L178 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-09-26 08:37:08,213 WARN L178 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-09-26 08:37:11,810 WARN L178 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-26 08:37:15,407 WARN L178 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-09-26 08:37:19,039 WARN L178 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-26 08:37:22,816 WARN L178 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2018-09-26 08:37:26,688 WARN L178 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-09-26 08:37:30,831 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-09-26 08:37:35,002 WARN L178 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 08:37:39,360 WARN L178 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-09-26 08:37:43,832 WARN L178 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 449 [2018-09-26 08:37:48,642 WARN L178 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-09-26 08:37:53,548 WARN L178 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2018-09-26 08:37:58,640 WARN L178 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 470 [2018-09-26 08:38:03,808 WARN L178 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-09-26 08:38:09,088 WARN L178 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-09-26 08:38:14,645 WARN L178 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 08:38:20,222 WARN L178 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2018-09-26 08:38:25,944 WARN L178 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 505 [2018-09-26 08:38:31,944 WARN L178 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2018-09-26 08:38:38,014 WARN L178 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-09-26 08:38:44,187 WARN L178 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2018-09-26 08:38:50,713 WARN L178 SmtUtils]: Spent 986.00 ms on a formula simplification that was a NOOP. DAG size: 533 [2018-09-26 08:38:57,360 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 540 [2018-09-26 08:39:04,088 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 547 [2018-09-26 08:39:11,148 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 554 [2018-09-26 08:39:18,452 WARN L178 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 08:39:25,787 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 568 [2018-09-26 08:39:33,298 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 575 [2018-09-26 08:39:41,046 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 582 [2018-09-26 08:39:49,151 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 589 [2018-09-26 08:39:57,469 WARN L178 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 596 [2018-09-26 08:40:05,912 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 603 [2018-09-26 08:40:14,664 WARN L178 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 610 [2018-09-26 08:40:23,811 WARN L178 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 617 [2018-09-26 08:40:32,955 WARN L178 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 624 Received shutdown request... [2018-09-26 08:40:37,175 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:37,175 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:40:37,182 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:40:37,183 INFO L202 PluginConnector]: Adding new model count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:40:37 BoogieIcfgContainer [2018-09-26 08:40:37,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:40:37,184 INFO L168 Benchmark]: Toolchain (without parser) took 283142.65 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -266.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 283.4 MB). Peak memory consumption was 351.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:37,185 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.33 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 08:40:37,185 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.89 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 08:40:37,186 INFO L168 Benchmark]: Boogie Preprocessor took 21.69 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 08:40:37,187 INFO L168 Benchmark]: RCFGBuilder took 214.89 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 08:40:37,187 INFO L168 Benchmark]: TraceAbstraction took 282851.32 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -266.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 262.3 MB). Peak memory consumption was 330.0 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:37,192 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 0.33 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 44.89 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 21.69 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 214.89 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 282851.32 ms. Allocated memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: -266.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 262.3 MB). Peak memory consumption was 330.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 32]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 32). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 282.7s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, 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.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-40-37-206.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_by_2.i_3.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-40-37-206.csv Completed graceful shutdown