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/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:36:02,134 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:36:02,136 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:36:02,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:36:02,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:36:02,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:36:02,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:36:02,153 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:36:02,155 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:36:02,156 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:36:02,157 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:36:02,157 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:36:02,158 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:36:02,159 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:36:02,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:36:02,164 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:36:02,165 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:36:02,167 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:36:02,179 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:36:02,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:36:02,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:36:02,188 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:36:02,192 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:36:02,194 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:36:02,194 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:36:02,195 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:36:02,197 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:36:02,197 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:36:02,198 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:36:02,202 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:36:02,202 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:36:02,203 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:36:02,204 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:36:02,205 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:36:02,207 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:36:02,208 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:36:02,208 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 08:36:02,224 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:36:02,225 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:36:02,229 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:36:02,229 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:36:02,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:36:02,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:36:02,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:36:02,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:36:02,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:36:02,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:36:02,296 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:36:02,297 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:36:02,297 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 08:36:02,298 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 08:36:02,349 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:36:02,356 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:36:02,357 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:36:02,357 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:36:02,357 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:36:02,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,393 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:36:02,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:36:02,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:36:02,401 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:36:02,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,424 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/1) ... [2018-09-26 08:36:02,426 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:36:02,427 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:36:02,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:36:02,427 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:36:02,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (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 08:36:02,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:36:02,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:36:02,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:36:02,828 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:36:02,832 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:36:02 BoogieIcfgContainer [2018-09-26 08:36:02,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:36:02,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:36:02,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:36:02,847 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:36:02,847 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:36:02" (1/2) ... [2018-09-26 08:36:02,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666b44fd and model type down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:36:02, skipping insertion in model container [2018-09-26 08:36:02,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:36:02" (2/2) ... [2018-09-26 08:36:02,856 INFO L112 eAbstractionObserver]: Analyzing ICFG down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 08:36:02,880 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:36:02,898 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:36:02,969 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:36:02,970 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:36:02,971 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:36:02,971 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:36:02,971 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:36:02,971 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:36:02,972 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:36:02,972 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:36:02,972 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:36:02,991 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states. [2018-09-26 08:36:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 08:36:03,002 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:36:03,003 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-09-26 08:36:03,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:36:03,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:36:03,010 INFO L82 PathProgramCache]: Analyzing trace with hash 28868155, 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 08:36:03,033 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:36:03,381 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:36:03,382 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 08:36:03,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:36:03,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:36:03,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-26 08:36:03,396 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 5 states. [2018-09-26 08:36:03,761 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-26 08:36:03,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:36:03,796 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-09-26 08:36:03,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:36:03,798 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-09-26 08:36:03,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:36:03,809 INFO L225 Difference]: With dead ends: 13 [2018-09-26 08:36:03,810 INFO L226 Difference]: Without dead ends: 10 [2018-09-26 08:36:03,813 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-26 08:36:03,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-09-26 08:36:03,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-09-26 08:36:03,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:36:03,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2018-09-26 08:36:03,852 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 11 transitions. Word has length 5 [2018-09-26 08:36:03,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:36:03,853 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 11 transitions. [2018-09-26 08:36:03,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:36:03,853 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-09-26 08:36:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:36:03,854 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:36:03,854 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:36:03,855 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:36:03,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:36:03,855 INFO L82 PathProgramCache]: Analyzing trace with hash 892360290, 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 08:36:03,863 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:36:04,625 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 14 [2018-09-26 08:36:04,978 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 08:36:10,959 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-09-26 08:36:13,817 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-09-26 08:36:17,935 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-09-26 08:36:24,308 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 80 [2018-09-26 08:36:31,285 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 87 [2018-09-26 08:36:40,233 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-09-26 08:36:51,597 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 101 [2018-09-26 08:37:06,183 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2018-09-26 08:37:24,554 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2018-09-26 08:37:47,268 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-09-26 08:38:15,016 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-09-26 08:38:49,211 WARN L178 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 136 [2018-09-26 08:39:30,622 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 143 [2018-09-26 08:40:20,057 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 150 Received shutdown request... [2018-09-26 08:40:37,223 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:37,223 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:40:37,229 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:40:37,230 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:40:37 BoogieIcfgContainer [2018-09-26 08:40:37,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:40:37,231 INFO L168 Benchmark]: Toolchain (without parser) took 274881.51 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 282.4 MB). Peak memory consumption was 48.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:37,232 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 08:40:37,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.75 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 08:40:37,234 INFO L168 Benchmark]: Boogie Preprocessor took 25.34 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 08:40:37,234 INFO L168 Benchmark]: RCFGBuilder took 405.82 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 08:40:37,235 INFO L168 Benchmark]: TraceAbstraction took 274396.32 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 261.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:37,239 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 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.75 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 25.34 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 405.82 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 274396.32 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -234.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 261.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 76]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 76). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 68 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. TIMEOUT Result, 274.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 3 SDslu, 6 SDs, 0 SdLazy, 20 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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, 1 StatesRemovedByMinimization, 1 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/down.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-40-37-252.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-40-37-252.csv Completed graceful shutdown