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.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:10:08,890 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:10:08,893 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:10:08,913 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:10:08,913 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:10:08,915 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:10:08,916 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:10:08,918 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:10:08,920 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:10:08,921 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:10:08,922 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:10:08,922 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:10:08,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:10:08,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:10:08,926 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:10:08,927 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:10:08,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:10:08,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:10:08,932 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:10:08,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:10:08,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:10:08,937 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:10:08,940 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:10:08,940 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:10:08,940 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:10:08,941 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:10:08,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:10:08,943 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:10:08,944 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:10:08,945 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:10:08,946 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:10:08,946 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:10:08,947 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:10:08,947 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:10:08,948 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:10:08,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:10:08,949 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:10:08,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:10:08,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:10:08,968 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:10:08,968 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:10:08,968 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:10:08,969 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:10:09,039 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:10:09,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:10:09,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:10:09,066 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:10:09,067 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:10:09,067 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-25 09:10:09,068 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-07-25 09:10:09,146 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:10:09,148 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:10:09,149 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:10:09,149 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:10:09,149 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:10:09,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,189 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,197 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:10:09,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:10:09,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:10:09,199 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:10:09,211 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/1) ... [2018-07-25 09:10:09,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:10:09,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:10:09,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:10:09,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:10:09,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (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 09:10:09,300 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-25 09:10:09,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:10:09,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:10:09,470 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:10:09,470 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:10:09 BoogieIcfgContainer [2018-07-25 09:10:09,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:10:09,472 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:10:09,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:10:09,475 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:10:09,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:10:09" (1/2) ... [2018-07-25 09:10:09,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56851eb9 and model type nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:10:09, skipping insertion in model container [2018-07-25 09:10:09,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:10:09" (2/2) ... [2018-07-25 09:10:09,480 INFO L112 eAbstractionObserver]: Analyzing ICFG nested.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-25 09:10:09,490 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:10:09,498 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:10:09,554 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:10:09,555 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:10:09,556 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:10:09,556 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:10:09,556 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:10:09,556 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:10:09,557 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:10:09,557 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:10:09,558 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:10:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-07-25 09:10:09,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-25 09:10:09,592 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:10:09,593 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-25 09:10:09,595 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:10:09,600 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, now seen corresponding path program 1 times [2018-07-25 09:10:09,607 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:10:09,851 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:10:09,852 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:10:09,856 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:10:09,862 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:10:09,863 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:10:09,866 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-07-25 09:10:09,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:10:09,950 INFO L93 Difference]: Finished difference Result 10 states and 15 transitions. [2018-07-25 09:10:09,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:10:09,952 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-25 09:10:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:10:09,963 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:10:09,964 INFO L226 Difference]: Without dead ends: 6 [2018-07-25 09:10:09,967 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:10:09,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-25 09:10:10,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-25 09:10:10,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-25 09:10:10,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2018-07-25 09:10:10,004 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 7 transitions. Word has length 3 [2018-07-25 09:10:10,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:10:10,005 INFO L472 AbstractCegarLoop]: Abstraction has 6 states and 7 transitions. [2018-07-25 09:10:10,005 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:10:10,005 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-07-25 09:10:10,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-25 09:10:10,006 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:10:10,006 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2018-07-25 09:10:10,006 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:10:10,007 INFO L82 PathProgramCache]: Analyzing trace with hash 28854189, now seen corresponding path program 1 times [2018-07-25 09:10:10,007 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:10:10,598 WARN L169 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-07-25 09:10:10,932 WARN L169 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-07-25 09:10:11,089 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-07-25 09:10:11,500 WARN L169 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-07-25 09:10:15,524 WARN L169 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 [2018-07-25 09:10:26,014 WARN L169 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 21 Received shutdown request... [2018-07-25 09:14:34,175 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 09:14:34,179 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 09:14:34,180 INFO L202 PluginConnector]: Adding new model nested.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 09:14:34 BoogieIcfgContainer [2018-07-25 09:14:34,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 09:14:34,181 INFO L168 Benchmark]: Toolchain (without parser) took 265033.52 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -221.2 MB). Free memory was 1.5 GB in the beginning and 934.9 MB in the end (delta: 532.4 MB). Peak memory consumption was 311.2 MB. Max. memory is 7.1 GB. [2018-07-25 09:14:34,182 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.24 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 09:14:34,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.38 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 09:14:34,183 INFO L168 Benchmark]: Boogie Preprocessor took 24.74 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 09:14:34,184 INFO L168 Benchmark]: RCFGBuilder took 247.66 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 09:14:34,185 INFO L168 Benchmark]: TraceAbstraction took 264708.14 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -221.2 MB). Free memory was 1.4 GB in the beginning and 934.9 MB in the end (delta: 511.3 MB). Peak memory consumption was 290.0 MB. Max. memory is 7.1 GB. [2018-07-25 09:14:34,189 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 0.24 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 48.38 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 24.74 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 247.66 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 264708.14 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -221.2 MB). Free memory was 1.4 GB in the beginning and 934.9 MB in the end (delta: 511.3 MB). Peak memory consumption was 290.0 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 6 with TraceHistMax 1, while PredicateComparison was comparing new predicate (quantifier-free) to 93 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 264.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 1 SDslu, 1 SDs, 0 SdLazy, 5 SolverSat, 2 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6occurred in iteration=1, 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/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-14-34-202.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_09-14-34-202.csv Completed graceful shutdown