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/Luxembourg.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:16:20,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:16:20,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:16:20,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:16:20,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:16:20,253 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:16:20,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:16:20,265 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:16:20,268 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:16:20,269 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:16:20,269 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:16:20,270 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:16:20,271 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:16:20,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:16:20,273 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:16:20,274 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:16:20,275 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:16:20,276 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:16:20,278 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:16:20,280 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:16:20,281 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:16:20,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:16:20,285 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:16:20,285 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:16:20,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:16:20,286 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:16:20,290 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:16:20,291 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:16:20,292 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:16:20,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:16:20,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:16:20,296 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:16:20,296 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:16:20,300 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:16:20,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:16:20,303 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:16:20,304 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 09:16:20,319 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:16:20,319 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:16:20,322 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:16:20,322 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:16:20,322 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:16:20,322 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:16:20,323 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:16:20,382 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:16:20,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:16:20,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:16:20,406 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:16:20,406 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:16:20,407 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl [2018-09-26 09:16:20,408 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Luxembourg.bpl' [2018-09-26 09:16:20,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:16:20,467 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:16:20,468 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:20,468 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:16:20,469 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:16:20,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,513 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 09:16:20,513 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 09:16:20,513 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 09:16:20,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:16:20,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:16:20,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:16:20,517 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:16:20,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,539 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/1) ... [2018-09-26 09:16:20,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:16:20,541 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:16:20,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:16:20,541 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:16:20,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (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 09:16:20,616 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 09:16:20,616 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 09:16:20,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 09:16:20,796 INFO L343 CfgBuilder]: Using library mode [2018-09-26 09:16:20,797 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:20 BoogieIcfgContainer [2018-09-26 09:16:20,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:16:20,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:16:20,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:16:20,802 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:16:20,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:16:20" (1/2) ... [2018-09-26 09:16:20,803 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88435fc and model type Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:16:20, skipping insertion in model container [2018-09-26 09:16:20,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:16:20" (2/2) ... [2018-09-26 09:16:20,806 INFO L112 eAbstractionObserver]: Analyzing ICFG Luxembourg.bpl [2018-09-26 09:16:20,816 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:16:20,825 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:16:20,874 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:16:20,875 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:16:20,875 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:16:20,875 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:16:20,876 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:16:20,876 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:16:20,876 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:16:20,876 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:16:20,877 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:16:20,892 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:16:20,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:16:20,901 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:20,902 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:16:20,903 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:20,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:20,910 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 09:16:20,935 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:21,218 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:16:21,218 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:16:21,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:16:21,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:16:21,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-09-26 09:16:21,234 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:16:21,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:16:21,337 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2018-09-26 09:16:21,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:16:21,340 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 3 [2018-09-26 09:16:21,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:16:21,351 INFO L225 Difference]: With dead ends: 11 [2018-09-26 09:16:21,351 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:16:21,354 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 09:16:21,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:16:21,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:16:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:16:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:16:21,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:16:21,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:16:21,386 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:16:21,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:16:21,387 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:16:21,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:16:21,387 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:16:21,387 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:16:21,388 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:16:21,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:16:21,388 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 09:16:21,403 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:16:22,321 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-26 09:16:23,832 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-09-26 09:16:27,421 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-26 09:16:27,814 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-26 09:16:28,360 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 09:16:28,786 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-09-26 09:16:29,339 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-09-26 09:16:29,904 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-26 09:16:30,503 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-26 09:16:31,070 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-09-26 09:16:31,692 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-09-26 09:16:32,362 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-09-26 09:16:33,039 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-26 09:16:33,736 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-26 09:16:34,481 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-09-26 09:16:35,852 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-09-26 09:16:38,050 WARN L178 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2018-09-26 09:16:38,982 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-26 09:16:40,029 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-26 09:16:41,077 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-09-26 09:16:42,085 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2018-09-26 09:16:43,302 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2018-09-26 09:16:44,414 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-26 09:16:45,646 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 09:16:46,895 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2018-09-26 09:16:48,170 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-09-26 09:16:49,575 WARN L178 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-09-26 09:16:50,980 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-26 09:16:52,430 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-26 09:16:53,902 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 279 [2018-09-26 09:16:55,453 WARN L178 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2018-09-26 09:16:57,069 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-09-26 09:16:59,060 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-26 09:17:00,889 WARN L178 SmtUtils]: Spent 466.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-26 09:17:02,706 WARN L178 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2018-09-26 09:17:04,524 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-09-26 09:17:06,484 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2018-09-26 09:17:08,558 WARN L178 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-26 09:17:10,588 WARN L178 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-26 09:17:12,776 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-09-26 09:17:14,958 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-09-26 09:17:17,394 WARN L178 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 351 [2018-09-26 09:17:19,734 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-26 09:17:22,260 WARN L178 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 09:17:24,784 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-09-26 09:17:27,443 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 375 [2018-09-26 09:17:30,124 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-09-26 09:17:33,019 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-26 09:17:35,903 WARN L178 SmtUtils]: Spent 521.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-26 09:17:38,953 WARN L178 SmtUtils]: Spent 573.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-09-26 09:17:42,145 WARN L178 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 405 [2018-09-26 09:17:45,326 WARN L178 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 411 [2018-09-26 09:17:48,725 WARN L178 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-26 09:17:52,241 WARN L178 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-26 09:17:55,652 WARN L178 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-09-26 09:17:59,417 WARN L178 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 435 [2018-09-26 09:18:03,086 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2018-09-26 09:18:06,854 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 09:18:10,777 WARN L178 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2018-09-26 09:18:14,949 WARN L178 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 09:18:19,127 WARN L178 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2018-09-26 09:18:23,447 WARN L178 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 471 [2018-09-26 09:18:27,768 WARN L178 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 477 [2018-09-26 09:18:32,232 WARN L178 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 483 [2018-09-26 09:18:36,856 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 489 [2018-09-26 09:18:41,552 WARN L178 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 495 [2018-09-26 09:18:46,446 WARN L178 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 501 [2018-09-26 09:18:51,532 WARN L178 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 507 [2018-09-26 09:18:56,584 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 513 [2018-09-26 09:19:01,761 WARN L178 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 519 [2018-09-26 09:19:07,036 WARN L178 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 525 [2018-09-26 09:19:12,490 WARN L178 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 531 [2018-09-26 09:19:18,054 WARN L178 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 537 [2018-09-26 09:19:23,765 WARN L178 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 543 [2018-09-26 09:19:29,654 WARN L178 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 549 [2018-09-26 09:19:35,627 WARN L178 SmtUtils]: Spent 892.00 ms on a formula simplification that was a NOOP. DAG size: 555 [2018-09-26 09:19:41,857 WARN L178 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 561 [2018-09-26 09:19:48,269 WARN L178 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 567 [2018-09-26 09:19:54,775 WARN L178 SmtUtils]: Spent 999.00 ms on a formula simplification that was a NOOP. DAG size: 573 [2018-09-26 09:20:01,374 WARN L178 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2018-09-26 09:20:08,280 WARN L178 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 585 [2018-09-26 09:20:15,171 WARN L178 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2018-09-26 09:20:22,267 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 597 [2018-09-26 09:20:29,585 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 603 [2018-09-26 09:20:37,123 WARN L178 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 09:20:44,928 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 615 [2018-09-26 09:20:52,687 WARN L178 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 621 Received shutdown request... [2018-09-26 09:20:58,453 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:20:58,453 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:20:58,459 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:20:58,459 INFO L202 PluginConnector]: Adding new model Luxembourg.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:20:58 BoogieIcfgContainer [2018-09-26 09:20:58,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:20:58,460 INFO L168 Benchmark]: Toolchain (without parser) took 277997.44 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -269.5 MB). Free memory was 1.5 GB in the beginning and 901.9 MB in the end (delta: 586.3 MB). Peak memory consumption was 316.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:20:58,461 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:20:58,462 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.23 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 09:20:58,463 INFO L168 Benchmark]: Boogie Preprocessor took 23.89 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 09:20:58,463 INFO L168 Benchmark]: RCFGBuilder took 256.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:20:58,464 INFO L168 Benchmark]: TraceAbstraction took 277661.05 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -269.5 MB). Free memory was 1.5 GB in the beginning and 901.9 MB in the end (delta: 565.2 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:20:58,468 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.23 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 23.89 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. * RCFGBuilder took 256.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 277661.05 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -269.5 MB). Free memory was 1.5 GB in the beginning and 901.9 MB in the end (delta: 565.2 MB). Peak memory consumption was 295.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 24). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 313 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 277.5s 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: 0.2s 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/Luxembourg.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-20-58-479.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Luxembourg.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-20-58-479.csv Completed graceful shutdown