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/toy/tooDifficultLoopInvariant/Octopussy.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:16:50,875 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:16:50,878 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:16:50,898 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:16:50,898 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:16:50,900 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:16:50,901 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:16:50,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:16:50,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:16:50,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:16:50,906 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:16:50,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:16:50,907 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:16:50,908 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:16:50,909 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:16:50,910 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:16:50,911 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:16:50,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:16:50,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:16:50,917 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:16:50,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:16:50,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:16:50,922 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:16:50,922 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:16:50,922 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:16:50,923 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:16:50,924 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:16:50,925 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:16:50,926 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:16:50,927 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:16:50,927 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:16:50,928 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:16:50,928 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:16:50,929 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:16:50,930 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:16:50,932 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:16:50,932 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 09:16:50,948 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:16:50,948 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:16:50,952 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:16:50,953 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:16:50,953 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:16:50,953 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:50,953 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:16:51,005 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:16:51,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:16:51,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:16:51,023 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:16:51,024 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:16:51,025 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl [2018-09-26 09:16:51,025 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Octopussy.bpl' [2018-09-26 09:16:51,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:16:51,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:16:51,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:51,082 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:16:51,082 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:16:51,105 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,119 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,124 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:16:51,125 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:16:51,125 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:16:51,128 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:51,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:16:51,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:16:51,129 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:16:51,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,142 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,150 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/1) ... [2018-09-26 09:16:51,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:16:51,153 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:16:51,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:16:51,154 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:16:51,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (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 09:16:51,238 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:16:51,238 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:16:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:16:51,467 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:16:51,468 INFO L202 PluginConnector]: Adding new model Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:51 BoogieIcfgContainer [2018-09-26 09:16:51,468 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:16:51,470 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:16:51,470 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:16:51,474 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:16:51,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:51" (1/2) ... [2018-09-26 09:16:51,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312d781c and model type Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:16:51, skipping insertion in model container [2018-09-26 09:16:51,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:51" (2/2) ... [2018-09-26 09:16:51,480 INFO L112 eAbstractionObserver]: Analyzing ICFG Octopussy.bpl [2018-09-26 09:16:51,493 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:16:51,509 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:16:51,575 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:16:51,576 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:16:51,576 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:16:51,577 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:16:51,577 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:16:51,577 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:16:51,578 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:16:51,578 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:16:51,578 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:16:51,603 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:16:51,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:16:51,625 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:51,628 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:16:51,630 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:51,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:51,638 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, 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 09:16:51,661 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:52,027 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:16:52,027 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:16:52,031 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:16:52,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:16:52,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:52,039 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:16:52,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:16:52,124 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-09-26 09:16:52,125 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:16:52,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:16:52,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:16:52,138 INFO L225 Difference]: With dead ends: 11 [2018-09-26 09:16:52,138 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:16:52,142 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:52,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:16:52,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:16:52,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:16:52,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:16:52,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:16:52,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:16:52,178 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:16:52,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:16:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:16:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:16:52,179 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:52,179 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:16:52,179 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:52,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:52,180 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, 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 09:16:52,193 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:53,093 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-26 09:16:58,999 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-09-26 09:16:59,435 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-26 09:17:00,073 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-09-26 09:17:00,719 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-26 09:17:01,252 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-09-26 09:17:01,897 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:17:02,466 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-26 09:17:03,084 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-09-26 09:17:03,851 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-26 09:17:04,606 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 09:17:05,334 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-09-26 09:17:06,171 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 09:17:07,681 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-09-26 09:17:09,579 WARN L178 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-26 09:17:11,357 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-09-26 09:17:12,408 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-09-26 09:17:13,531 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-26 09:17:14,598 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:17:15,763 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-26 09:17:17,162 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-09-26 09:17:18,379 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-09-26 09:17:19,722 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-26 09:17:21,123 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-09-26 09:17:22,588 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:17:24,102 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-09-26 09:17:25,679 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 09:17:27,479 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-26 09:17:29,143 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-09-26 09:17:30,857 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-09-26 09:17:32,806 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:17:34,893 WARN L178 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2018-09-26 09:17:36,979 WARN L178 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-26 09:17:39,012 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2018-09-26 09:17:41,220 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-26 09:17:43,465 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2018-09-26 09:17:45,705 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-09-26 09:17:48,248 WARN L178 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-09-26 09:17:50,787 WARN L178 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2018-09-26 09:17:53,612 WARN L178 SmtUtils]: Spent 529.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-09-26 09:17:56,378 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-09-26 09:17:59,097 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-09-26 09:18:01,846 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 09:18:04,879 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 430 [2018-09-26 09:18:07,943 WARN L178 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-26 09:18:11,097 WARN L178 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2018-09-26 09:18:14,459 WARN L178 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-09-26 09:18:17,986 WARN L178 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 458 [2018-09-26 09:18:21,541 WARN L178 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-09-26 09:18:25,153 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 472 [2018-09-26 09:18:28,745 WARN L178 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 479 [2018-09-26 09:18:32,526 WARN L178 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 486 [2018-09-26 09:18:36,491 WARN L178 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 493 [2018-09-26 09:18:40,598 WARN L178 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 500 [2018-09-26 09:18:44,679 WARN L178 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-09-26 09:18:49,123 WARN L178 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-09-26 09:18:53,630 WARN L178 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-09-26 09:18:58,008 WARN L178 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-09-26 09:19:02,682 WARN L178 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-09-26 09:19:07,574 WARN L178 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2018-09-26 09:19:12,513 WARN L178 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-09-26 09:19:17,710 WARN L178 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 556 [2018-09-26 09:19:22,948 WARN L178 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 563 [2018-09-26 09:19:28,179 WARN L178 SmtUtils]: Spent 832.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2018-09-26 09:19:33,784 WARN L178 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 577 [2018-09-26 09:19:39,611 WARN L178 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2018-09-26 09:19:45,496 WARN L178 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 591 [2018-09-26 09:19:51,317 WARN L178 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 598 [2018-09-26 09:19:57,260 WARN L178 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-09-26 09:20:03,413 WARN L178 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 612 [2018-09-26 09:20:09,638 WARN L178 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2018-09-26 09:20:16,061 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 626 [2018-09-26 09:20:22,621 WARN L178 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 633 [2018-09-26 09:20:29,425 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 640 [2018-09-26 09:20:36,322 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 647 [2018-09-26 09:20:43,414 WARN L178 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 654 [2018-09-26 09:20:50,625 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 661 [2018-09-26 09:20:57,996 WARN L178 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 668 [2018-09-26 09:21:05,619 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 675 [2018-09-26 09:21:13,369 WARN L178 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 682 [2018-09-26 09:21:21,241 WARN L178 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 689 Received shutdown request... [2018-09-26 09:21:28,706 WARN L186 SmtUtils]: Removed 45 from assertion stack [2018-09-26 09:21:28,908 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:21:28,909 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:21:28,915 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:21:28,915 INFO L202 PluginConnector]: Adding new model Octopussy.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:21:28 BoogieIcfgContainer [2018-09-26 09:21:28,915 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:21:28,916 INFO L168 Benchmark]: Toolchain (without parser) took 277840.72 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -264.2 MB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 424.1 MB). Peak memory consumption was 328.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:28,917 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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 09:21:28,917 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.83 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 09:21:28,918 INFO L168 Benchmark]: Boogie Preprocessor took 23.30 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 09:21:28,919 INFO L168 Benchmark]: RCFGBuilder took 314.76 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:28,919 INFO L168 Benchmark]: TraceAbstraction took 277445.53 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -264.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.4 MB). Peak memory consumption was 297.0 MB. Max. memory is 7.1 GB. [2018-09-26 09:21:28,927 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 0.19 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 46.83 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 23.30 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 314.76 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 277445.53 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -264.2 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 392.4 MB). Peak memory consumption was 297.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 26]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 26). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 696. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 277.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 6 SDslu, 1 SDs, 0 SdLazy, 9 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred 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: 0.3s 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/Octopussy.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-21-28-939.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Octopussy.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-21-28-939.csv Completed graceful shutdown