java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:39:59,843 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:39:59,847 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:39:59,867 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:39:59,867 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:39:59,869 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:39:59,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:39:59,873 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:39:59,876 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:39:59,877 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:39:59,877 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:39:59,878 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:39:59,879 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:39:59,880 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:39:59,881 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:39:59,882 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:39:59,882 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:39:59,884 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:39:59,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:39:59,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:39:59,889 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:39:59,890 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:39:59,893 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:39:59,893 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:39:59,893 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:39:59,894 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:39:59,895 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:39:59,896 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:39:59,897 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:39:59,898 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:39:59,898 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:39:59,899 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:39:59,899 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:39:59,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:39:59,901 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:39:59,901 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:39:59,902 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-09-26 08:39:59,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:39:59,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:39:59,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:39:59,912 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:39:59,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:39:59,912 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:39:59,912 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:39:59,963 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:39:59,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:39:59,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:39:59,981 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:39:59,981 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:39:59,982 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 08:39:59,982 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 08:40:00,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:40:00,038 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:40:00,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:00,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:40:00,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:40:00,063 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,073 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:00,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:40:00,080 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:40:00,080 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:40:00,090 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,090 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,091 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,091 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,094 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,096 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,097 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 08:40:00" (1/1) ... [2018-09-26 08:40:00,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:40:00,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:40:00,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:40:00,099 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:40:00,100 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 08:40:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:40:00,162 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:40:00,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:40:00,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:40:00,315 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:40:00,316 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 08:40:00 BoogieIcfgContainer [2018-09-26 08:40:00,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:40:00,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:40:00,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:40:00,321 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:40:00,321 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 08:40:00" (1/2) ... [2018-09-26 08:40:00,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1817cdf0 and model type half_2.i_3.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:40:00, skipping insertion in model container [2018-09-26 08:40:00,323 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 08:40:00" (2/2) ... [2018-09-26 08:40:00,325 INFO L112 eAbstractionObserver]: Analyzing ICFG half_2.i_3.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 08:40:00,336 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:40:00,344 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:40:00,401 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:40:00,402 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:40:00,402 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:40:00,403 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:40:00,403 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:40:00,403 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:40:00,403 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:40:00,404 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:40:00,404 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:40:00,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:40:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:40:00,439 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:00,440 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:40:00,442 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:00,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:00,456 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 [2018-09-26 08:40:00,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:00,716 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-09-26 08:40:00,818 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:40:00,818 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:40:00,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:40:00,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:40:00,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:40:00,830 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:40:00,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:40:00,858 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:40:00,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:40:00,860 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:40:00,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:40:00,872 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:40:00,872 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:40:00,876 INFO L605 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 [2018-09-26 08:40:00,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:40:00,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:40:00,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:40:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:40:00,912 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:40:00,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:40:00,913 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:40:00,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:40:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:40:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:40:00,914 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:00,914 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:40:00,914 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:00,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:00,915 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:00,936 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:01,177 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 10 [2018-09-26 08:40:02,496 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2018-09-26 08:40:03,125 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-09-26 08:40:03,455 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2018-09-26 08:40:04,193 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2018-09-26 08:40:05,002 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2018-09-26 08:40:05,402 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2018-09-26 08:40:06,088 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 08:40:06,580 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 08:40:07,188 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-09-26 08:40:07,800 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2018-09-26 08:40:08,328 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-09-26 08:40:09,180 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-09-26 08:40:10,015 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-09-26 08:40:10,875 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-09-26 08:40:11,617 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-09-26 08:40:12,423 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2018-09-26 08:40:13,275 WARN L178 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2018-09-26 08:40:14,288 WARN L178 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-09-26 08:40:15,310 WARN L178 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-09-26 08:40:16,429 WARN L178 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-09-26 08:40:17,560 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-09-26 08:40:18,764 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2018-09-26 08:40:20,164 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2018-09-26 08:40:21,633 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2018-09-26 08:40:23,522 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-09-26 08:40:24,590 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2018-09-26 08:40:26,037 WARN L178 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-26 08:40:27,828 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-09-26 08:40:29,505 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-09-26 08:40:31,164 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 266 [2018-09-26 08:40:32,954 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 274 [2018-09-26 08:40:35,151 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 281 [2018-09-26 08:40:37,077 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-09-26 08:40:39,081 WARN L178 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-09-26 08:40:41,255 WARN L178 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-09-26 08:40:43,472 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-09-26 08:40:45,794 WARN L178 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2018-09-26 08:40:48,232 WARN L178 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2018-09-26 08:40:50,868 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2018-09-26 08:40:53,571 WARN L178 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2018-09-26 08:40:56,329 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-09-26 08:40:59,369 WARN L178 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2018-09-26 08:41:02,419 WARN L178 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 364 [2018-09-26 08:41:05,676 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 371 [2018-09-26 08:41:08,984 WARN L178 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 379 [2018-09-26 08:41:12,428 WARN L178 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 386 [2018-09-26 08:41:16,027 WARN L178 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2018-09-26 08:41:19,551 WARN L178 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-09-26 08:41:23,230 WARN L178 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-09-26 08:41:27,037 WARN L178 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-09-26 08:41:30,987 WARN L178 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 424 [2018-09-26 08:41:35,020 WARN L178 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 08:41:39,192 WARN L178 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2018-09-26 08:41:43,712 WARN L178 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-09-26 08:41:48,313 WARN L178 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 454 [2018-09-26 08:41:53,008 WARN L178 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 461 [2018-09-26 08:41:57,879 WARN L178 SmtUtils]: Spent 794.00 ms on a formula simplification that was a NOOP. DAG size: 469 [2018-09-26 08:42:02,888 WARN L178 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 476 [2018-09-26 08:42:07,987 WARN L178 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 484 [2018-09-26 08:42:13,259 WARN L178 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 491 [2018-09-26 08:42:18,817 WARN L178 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 499 [2018-09-26 08:42:24,497 WARN L178 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 506 [2018-09-26 08:42:30,428 WARN L178 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 514 [2018-09-26 08:42:36,517 WARN L178 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 521 [2018-09-26 08:42:42,827 WARN L178 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 529 [2018-09-26 08:42:49,283 WARN L178 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 536 [2018-09-26 08:42:56,106 WARN L178 SmtUtils]: Spent 994.00 ms on a formula simplification that was a NOOP. DAG size: 544 [2018-09-26 08:43:02,796 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 551 [2018-09-26 08:43:09,828 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 559 [2018-09-26 08:43:17,088 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 566 [2018-09-26 08:43:24,528 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 574 [2018-09-26 08:43:32,317 WARN L178 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 581 [2018-09-26 08:43:40,217 WARN L178 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 589 [2018-09-26 08:43:48,434 WARN L178 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 596 [2018-09-26 08:43:56,777 WARN L178 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 604 [2018-09-26 08:44:05,453 WARN L178 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 611 [2018-09-26 08:44:14,300 WARN L178 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 619 [2018-09-26 08:44:23,354 WARN L178 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 626 [2018-09-26 08:44:32,661 WARN L178 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 634 Received shutdown request... [2018-09-26 08:44:38,993 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:44:38,994 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:44:39,001 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:44:39,002 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 08:44:39 BoogieIcfgContainer [2018-09-26 08:44:39,002 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:44:39,003 INFO L168 Benchmark]: Toolchain (without parser) took 278968.27 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 417.0 MB). Peak memory consumption was 157.5 MB. Max. memory is 7.1 GB. [2018-09-26 08:44:39,004 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:44:39,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:44:39,005 INFO L168 Benchmark]: Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:44:39,006 INFO L168 Benchmark]: RCFGBuilder took 217.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:44:39,007 INFO L168 Benchmark]: TraceAbstraction took 278684.90 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 395.9 MB). Peak memory consumption was 136.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:44:39,011 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 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 40.10 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 18.41 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 217.11 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 278684.90 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -259.5 MB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 395.9 MB). Peak memory consumption was 136.4 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 PredicateComparison was comparing new predicate (quantifier-free) to 255 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 278.6s 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: 0.2s 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/half_2.i_3.bplTransformedIcfg_BEv2_5.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-44-39-025.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-0-2018-09-26_08-44-39-025.csv Completed graceful shutdown