java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-56c9370 [2018-07-23 15:45:40,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 15:45:40,188 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 15:45:40,200 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 15:45:40,201 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 15:45:40,202 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 15:45:40,203 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 15:45:40,205 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 15:45:40,206 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 15:45:40,207 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 15:45:40,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 15:45:40,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 15:45:40,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 15:45:40,211 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 15:45:40,215 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 15:45:40,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 15:45:40,217 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 15:45:40,222 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 15:45:40,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 15:45:40,227 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 15:45:40,228 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 15:45:40,230 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 15:45:40,234 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 15:45:40,236 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 15:45:40,236 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 15:45:40,237 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 15:45:40,238 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 15:45:40,239 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 15:45:40,240 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 15:45:40,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 15:45:40,242 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 15:45:40,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 15:45:40,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 15:45:40,244 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 15:45:40,245 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 15:45:40,247 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 15:45:40,247 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-pdr.epf [2018-07-23 15:45:40,256 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 15:45:40,256 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 15:45:40,257 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 15:45:40,257 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-23 15:45:40,258 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 15:45:40,258 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 15:45:40,300 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 15:45:40,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 15:45:40,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 15:45:40,321 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 15:45:40,322 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 15:45:40,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 15:45:40,323 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-07-23 15:45:40,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 15:45:40,368 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 15:45:40,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 15:45:40,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 15:45:40,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 15:45:40,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,412 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/1) ... [2018-07-23 15:45:40,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 15:45:40,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 15:45:40,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 15:45:40,415 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 15:45:40,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (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 [2018-07-23 15:45:40,486 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 15:45:40,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 15:45:40,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 15:45:40,774 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 15:45:40,775 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:45:40 BoogieIcfgContainer [2018-07-23 15:45:40,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 15:45:40,776 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 15:45:40,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 15:45:40,780 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 15:45:40,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 03:45:40" (1/2) ... [2018-07-23 15:45:40,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65d114b1 and model type gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:45:40, skipping insertion in model container [2018-07-23 15:45:40,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:45:40" (2/2) ... [2018-07-23 15:45:40,783 INFO L112 eAbstractionObserver]: Analyzing ICFG gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-07-23 15:45:40,793 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-23 15:45:40,803 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 15:45:40,851 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 15:45:40,851 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 15:45:40,852 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 15:45:40,852 INFO L375 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-23 15:45:40,852 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-23 15:45:40,852 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 15:45:40,853 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 15:45:40,853 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 15:45:40,853 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 15:45:40,871 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 15:45:40,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 15:45:40,880 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:45:40,881 INFO L353 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 15:45:40,881 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:45:40,886 INFO L82 PathProgramCache]: Analyzing trace with hash 942136, now seen corresponding path program 1 times [2018-07-23 15:45:40,891 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:45:41,308 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 15:45:41,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 15:45:41,313 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 15:45:41,320 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 15:45:41,321 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 15:45:41,323 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 15:45:41,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 15:45:41,527 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 15:45:41,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 15:45:41,529 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 15:45:41,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 15:45:41,541 INFO L225 Difference]: With dead ends: 10 [2018-07-23 15:45:41,542 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 15:45:41,545 INFO L573 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 15:45:41,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 15:45:41,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 15:45:41,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 15:45:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 15:45:41,580 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 15:45:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 15:45:41,581 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 15:45:41,581 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 15:45:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 15:45:41,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 15:45:41,582 INFO L345 BasicCegarLoop]: Found error trace [2018-07-23 15:45:41,582 INFO L353 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 15:45:41,582 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 15:45:41,582 INFO L82 PathProgramCache]: Analyzing trace with hash 905456478, now seen corresponding path program 1 times [2018-07-23 15:45:41,583 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 15:45:43,707 WARN L169 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2018-07-23 15:45:45,578 WARN L169 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 144 [2018-07-23 15:45:48,774 WARN L169 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2018-07-23 15:45:51,606 WARN L169 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-07-23 15:45:55,524 WARN L169 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 240 [2018-07-23 15:46:00,462 WARN L169 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-07-23 15:46:08,979 WARN L169 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-07-23 15:46:20,185 WARN L169 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 349 [2018-07-23 15:46:35,223 WARN L169 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 356 [2018-07-23 15:46:58,659 WARN L169 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2018-07-23 15:47:28,813 WARN L169 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 422 [2018-07-23 15:48:14,285 WARN L169 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2018-07-23 15:49:20,883 WARN L169 SmtUtils]: Spent 9.89 s on a formula simplification. DAG size of input: 492 DAG size of output: 492 Received shutdown request... [2018-07-23 15:50:28,186 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 15:50:28,192 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 15:50:28,192 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 03:50:28 BoogieIcfgContainer [2018-07-23 15:50:28,192 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 15:50:28,193 INFO L168 Benchmark]: Toolchain (without parser) took 287826.41 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.9 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 77.4 MB). Peak memory consumption was 182.3 MB. Max. memory is 7.1 GB. [2018-07-23 15:50:28,194 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-07-23 15:50:28,195 INFO L168 Benchmark]: Boogie Preprocessor took 45.46 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. [2018-07-23 15:50:28,196 INFO L168 Benchmark]: RCFGBuilder took 360.86 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. [2018-07-23 15:50:28,197 INFO L168 Benchmark]: TraceAbstraction took 287415.89 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.9 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 56.3 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. [2018-07-23 15:50:28,208 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 0.19 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 45.46 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 360.86 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 287415.89 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 104.9 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 56.3 MB). Peak memory consumption was 161.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 54]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 54). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 63 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 287.3s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 2 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred 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: 0.3s 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/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_15-50-28-222.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_15-50-28-222.csv Completed graceful shutdown