java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:45:14,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:45:14,571 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:45:14,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:45:14,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:45:14,595 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:45:14,597 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:45:14,599 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:45:14,601 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:45:14,603 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:45:14,606 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:45:14,606 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:45:14,607 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:45:14,608 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:45:14,611 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:45:14,612 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:45:14,613 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:45:14,624 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:45:14,626 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:45:14,631 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:45:14,632 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:45:14,637 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:45:14,642 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:45:14,642 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:45:14,642 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:45:14,643 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:45:14,645 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:45:14,645 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:45:14,646 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:45:14,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:45:14,648 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:45:14,651 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:45:14,651 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:45:14,651 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:45:14,652 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:45:14,653 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:45:14,655 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:45:14,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:45:14,672 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:45:14,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:45:14,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:45:14,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:45:14,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:45:14,675 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:45:14,742 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:45:14,758 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:45:14,766 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:45:14,768 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:45:14,768 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:45:14,769 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-07-25 13:45:14,770 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2018-07-25 13:45:14,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:45:14,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:45:14,830 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:45:14,831 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:45:14,831 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:45:14,850 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,862 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:45:14,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:45:14,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:45:14,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:45:14,880 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,880 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,881 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,881 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,887 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,889 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,890 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 25.07 01:45:14" (1/1) ... [2018-07-25 13:45:14,891 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:45:14,892 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:45:14,892 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:45:14,892 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:45:14,894 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 25.07 01:45:14" (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 [2018-07-25 13:45:14,959 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 13:45:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:45:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:45:15,187 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:45:15,188 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:45:15 BoogieIcfgContainer [2018-07-25 13:45:15,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:45:15,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:45:15,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:45:15,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:45:15,196 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 25.07 01:45:14" (1/2) ... [2018-07-25 13:45:15,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f82e99 and model type half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:45:15, skipping insertion in model container [2018-07-25 13:45:15,198 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 25.07 01:45:15" (2/2) ... [2018-07-25 13:45:15,200 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-07-25 13:45:15,211 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:45:15,222 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:45:15,263 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:45:15,264 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:45:15,265 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:45:15,265 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:45:15,265 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:45:15,265 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:45:15,265 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:45:15,266 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:45:15,266 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:45:15,280 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 13:45:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 13:45:15,290 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:45:15,291 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 13:45:15,292 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:45:15,298 INFO L82 PathProgramCache]: Analyzing trace with hash 30017, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:45:15,320 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:45:15,591 WARN L169 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-07-25 13:45:15,687 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:45:15,687 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:45:15,691 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:45:15,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:45:15,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:45:15,699 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 13:45:15,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:45:15,725 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-07-25 13:45:15,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:45:15,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 13:45:15,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:45:15,738 INFO L225 Difference]: With dead ends: 8 [2018-07-25 13:45:15,738 INFO L226 Difference]: Without dead ends: 5 [2018-07-25 13:45:15,742 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:45:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-25 13:45:15,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-25 13:45:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-25 13:45:15,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-25 13:45:15,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-25 13:45:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:45:15,773 INFO L472 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-25 13:45:15,774 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:45:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-25 13:45:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:45:15,775 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:45:15,775 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:45:15,775 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:45:15,775 INFO L82 PathProgramCache]: Analyzing trace with hash 928552, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) [2018-07-25 13:45:15,789 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:45:17,180 WARN L169 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-07-25 13:45:17,857 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-07-25 13:45:18,574 WARN L169 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2018-07-25 13:45:19,649 WARN L169 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-07-25 13:45:20,030 WARN L169 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-07-25 13:45:20,673 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-07-25 13:45:21,165 WARN L169 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-07-25 13:45:21,788 WARN L169 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-07-25 13:45:22,496 WARN L169 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-07-25 13:45:23,068 WARN L169 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-07-25 13:45:23,846 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-07-25 13:45:24,635 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-25 13:45:25,533 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-07-25 13:45:26,225 WARN L169 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-07-25 13:45:27,029 WARN L169 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-07-25 13:45:27,918 WARN L169 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-07-25 13:45:28,844 WARN L169 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-07-25 13:45:29,816 WARN L169 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-07-25 13:45:30,903 WARN L169 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-07-25 13:45:31,992 WARN L169 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-07-25 13:45:33,247 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-07-25 13:45:34,473 WARN L169 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-07-25 13:45:35,941 WARN L169 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-07-25 13:45:37,867 WARN L169 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-07-25 13:45:38,836 WARN L169 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-07-25 13:45:40,358 WARN L169 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-07-25 13:45:42,166 WARN L169 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-07-25 13:45:43,792 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-07-25 13:45:45,445 WARN L169 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-07-25 13:45:47,148 WARN L169 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-07-25 13:45:48,969 WARN L169 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-07-25 13:45:51,434 WARN L169 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-07-25 13:45:53,504 WARN L169 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-07-25 13:45:55,554 WARN L169 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-07-25 13:45:57,727 WARN L169 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-07-25 13:46:00,118 WARN L169 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-07-25 13:46:02,531 WARN L169 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2018-07-25 13:46:05,143 WARN L169 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2018-07-25 13:46:07,762 WARN L169 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-07-25 13:46:10,574 WARN L169 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-07-25 13:46:13,465 WARN L169 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-07-25 13:46:16,421 WARN L169 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-07-25 13:46:19,493 WARN L169 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-07-25 13:46:22,737 WARN L169 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-07-25 13:46:26,076 WARN L169 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-07-25 13:46:29,587 WARN L169 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2018-07-25 13:46:33,065 WARN L169 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-07-25 13:46:36,747 WARN L169 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-07-25 13:46:40,557 WARN L169 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-07-25 13:46:44,576 WARN L169 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2018-07-25 13:46:48,642 WARN L169 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-25 13:46:52,865 WARN L169 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2018-07-25 13:46:57,329 WARN L169 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-07-25 13:47:01,968 WARN L169 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2018-07-25 13:47:06,725 WARN L169 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-07-25 13:47:11,533 WARN L169 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 469 [2018-07-25 13:47:16,584 WARN L169 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2018-07-25 13:47:21,799 WARN L169 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-07-25 13:47:27,139 WARN L169 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-07-25 13:47:32,737 WARN L169 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-07-25 13:47:38,681 WARN L169 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-07-25 13:47:44,569 WARN L169 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-07-25 13:47:50,691 WARN L169 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-07-25 13:47:57,163 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 529 [2018-07-25 13:48:03,743 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 536 [2018-07-25 13:48:10,603 WARN L169 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 544 [2018-07-25 13:48:17,561 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 551 [2018-07-25 13:48:24,717 WARN L169 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 559 [2018-07-25 13:48:31,976 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 566 [2018-07-25 13:48:39,504 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 574 [2018-07-25 13:48:47,381 WARN L169 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 581 [2018-07-25 13:48:55,299 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 589 [2018-07-25 13:49:03,568 WARN L169 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 596 [2018-07-25 13:49:12,138 WARN L169 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 604 [2018-07-25 13:49:20,917 WARN L169 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 611 [2018-07-25 13:49:29,923 WARN L169 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 619 [2018-07-25 13:49:39,075 WARN L169 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 626 [2018-07-25 13:49:48,689 WARN L169 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 634 Received shutdown request... [2018-07-25 13:49:53,261 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:49:53,261 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 13:49:53,267 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 13:49:53,267 INFO L202 PluginConnector]: Adding new model half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 01:49:53 BoogieIcfgContainer [2018-07-25 13:49:53,267 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 13:49:53,268 INFO L168 Benchmark]: Toolchain (without parser) took 278440.13 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -202.9 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 306.1 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:49:53,270 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 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. [2018-07-25 13:49:53,270 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.63 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. [2018-07-25 13:49:53,271 INFO L168 Benchmark]: Boogie Preprocessor took 22.08 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. [2018-07-25 13:49:53,271 INFO L168 Benchmark]: RCFGBuilder took 296.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:49:53,272 INFO L168 Benchmark]: TraceAbstraction took 278075.54 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -202.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 285.0 MB). Peak memory consumption was 82.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:49:53,276 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 0.22 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 38.63 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 22.08 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 296.89 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 278075.54 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -202.9 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 285.0 MB). Peak memory consumption was 82.1 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, 278.0s 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, 0.2s 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: 0.3s 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/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-49-53-289.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_13-49-53-289.csv Completed graceful shutdown