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-smtinterpol.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:30:58,219 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:30:58,221 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:30:58,234 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:30:58,234 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:30:58,235 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:30:58,237 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:30:58,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:30:58,240 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:30:58,241 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:30:58,242 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:30:58,242 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:30:58,243 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:30:58,245 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:30:58,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:30:58,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:30:58,247 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:30:58,249 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:30:58,251 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:30:58,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:30:58,254 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:30:58,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:30:58,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:30:58,259 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:30:58,259 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:30:58,260 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:30:58,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:30:58,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:30:58,263 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:30:58,264 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:30:58,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:30:58,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:30:58,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:30:58,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:30:58,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:30:58,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:30:58,267 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-smtinterpol.epf [2018-09-26 09:30:58,276 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:30:58,276 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:30:58,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 09:30:58,278 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-09-26 09:30:58,278 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:30:58,279 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:30:58,279 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-09-26 09:30:58,279 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:30:58,331 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:30:58,345 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:30:58,349 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:30:58,350 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:30:58,351 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:30:58,352 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 09:30:58,352 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 09:30:58,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:30:58,408 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:30:58,409 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:30:58,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:30:58,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:30:58,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:30:58,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:30:58,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:30:58,456 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:30:58,468 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,468 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,477 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:30:58,479 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:30:58,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:30:58,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:30:58,483 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/1) ... [2018-09-26 09:30:58,581 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 09:30:58,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:30:58,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:30:58,742 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:30:58,742 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:30:58 BoogieIcfgContainer [2018-09-26 09:30:58,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:30:58,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:30:58,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:30:58,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:30:58,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:30:58" (1/2) ... [2018-09-26 09:30:58,749 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a7acf4d and model type half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:30:58, skipping insertion in model container [2018-09-26 09:30:58,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:30:58" (2/2) ... [2018-09-26 09:30:58,752 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 09:30:58,763 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:30:58,772 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:30:58,820 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:30:58,821 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:30:58,821 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:30:58,821 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:30:58,822 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:30:58,822 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:30:58,822 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:30:58,822 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:30:58,822 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:30:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 09:30:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 09:30:58,845 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:30:58,846 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 09:30:58,847 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:30:58,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:30:58,854 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times [2018-09-26 09:30:58,861 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:30:59,004 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:30:59,005 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:30:59,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:30:59,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:30:59,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:30:59,019 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 09:30:59,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:30:59,044 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 09:30:59,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:30:59,046 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 09:30:59,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:30:59,056 INFO L225 Difference]: With dead ends: 8 [2018-09-26 09:30:59,057 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 09:30:59,060 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:30:59,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 09:30:59,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 09:30:59,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 09:30:59,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 09:30:59,100 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 09:30:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:30:59,100 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 09:30:59,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:30:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 09:30:59,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:30:59,101 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:30:59,102 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:30:59,102 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:30:59,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:30:59,103 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times [2018-09-26 09:30:59,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:31:06,077 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-09-26 09:31:21,346 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-09-26 09:31:26,922 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-09-26 09:31:32,473 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 09:31:37,524 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2018-09-26 09:31:39,311 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-09-26 09:31:41,196 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-09-26 09:31:43,132 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-09-26 09:31:45,161 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2018-09-26 09:31:47,554 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 09:31:49,797 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2018-09-26 09:31:52,092 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-09-26 09:31:54,525 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2018-09-26 09:31:57,143 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-09-26 09:31:59,806 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 469 [2018-09-26 09:32:02,540 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2018-09-26 09:32:05,482 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-09-26 09:32:08,524 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 09:32:11,760 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-09-26 09:32:15,117 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-09-26 09:32:18,585 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-09-26 09:32:22,151 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-09-26 09:32:25,808 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 529 [2018-09-26 09:32:29,776 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2018-09-26 09:32:33,900 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2018-09-26 09:32:38,023 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 09:32:42,204 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 559 [2018-09-26 09:32:46,571 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 566 [2018-09-26 09:32:51,080 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 574 [2018-09-26 09:32:55,700 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 581 [2018-09-26 09:33:00,502 WARN L178 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 589 [2018-09-26 09:33:05,529 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2018-09-26 09:33:10,877 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2018-09-26 09:33:16,374 WARN L178 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 611 [2018-09-26 09:33:22,121 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 619 [2018-09-26 09:33:27,997 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2018-09-26 09:33:34,155 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 634 [2018-09-26 09:33:40,419 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2018-09-26 09:33:46,964 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 649 [2018-09-26 09:33:53,732 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 656 [2018-09-26 09:34:00,661 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2018-09-26 09:34:07,822 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2018-09-26 09:34:15,232 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 679 [2018-09-26 09:34:23,035 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2018-09-26 09:34:30,927 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 694 [2018-09-26 09:34:39,027 WARN L178 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2018-09-26 09:34:47,295 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2018-09-26 09:34:55,931 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 716 [2018-09-26 09:35:04,886 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 724 [2018-09-26 09:35:14,401 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 731 [2018-09-26 09:35:24,322 WARN L178 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 739 Received shutdown request... [2018-09-26 09:35:31,292 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:35:31,296 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:35:31,297 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:35:31 BoogieIcfgContainer [2018-09-26 09:35:31,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:35:31,298 INFO L168 Benchmark]: Toolchain (without parser) took 272892.63 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -145.8 MB). Free memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: 366.0 MB). Peak memory consumption was 220.2 MB. Max. memory is 7.1 GB. [2018-09-26 09:35:31,300 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 09:35:31,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.34 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 09:35:31,301 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 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 09:35:31,301 INFO L168 Benchmark]: RCFGBuilder took 263.56 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:35:31,302 INFO L168 Benchmark]: TraceAbstraction took 272553.23 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -145.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 355.4 MB). Peak memory consumption was 209.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:35:31,306 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 0.21 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 45.34 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. * Boogie Preprocessor took 23.66 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 263.56 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: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 272553.23 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -145.8 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 355.4 MB). Peak memory consumption was 209.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 51]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 51). Cancelled while BasicCegarLoop was analyzing trace of length 5 with TraceHistMax 1, while Pdr was Timeout or canceled while running Pdr. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 272.4s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s PdrRuntime, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-35-31-319.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-smtinterpol.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-35-31-319.csv Completed graceful shutdown