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/20170304-DifficultPathPrograms/seq.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:07:20,148 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:07:20,151 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:07:20,164 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:07:20,164 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:07:20,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:07:20,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:07:20,173 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:07:20,178 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:07:20,179 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:07:20,180 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:07:20,180 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:07:20,182 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:07:20,183 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:07:20,187 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:07:20,189 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:07:20,190 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:07:20,195 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:07:20,202 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:07:20,207 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:07:20,209 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:07:20,210 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:07:20,216 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:07:20,216 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:07:20,216 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:07:20,217 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:07:20,221 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:07:20,222 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:07:20,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:07:20,227 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:07:20,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:07:20,229 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:07:20,229 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:07:20,229 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:07:20,230 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:07:20,233 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:07:20,233 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 09:07:20,249 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:07:20,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:07:20,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:07:20,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:07:20,252 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:07:20,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:07:20,252 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:07:20,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:07:20,328 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:07:20,334 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:07:20,336 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:07:20,336 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:07:20,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl [2018-09-26 09:07:20,338 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/seq.i_4.bpl' [2018-09-26 09:07:20,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:07:20,404 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:07:20,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:07:20,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:07:20,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:07:20,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,437 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:07:20,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:07:20,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:07:20,445 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:07:20,455 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,456 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,457 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,462 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,463 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/1) ... [2018-09-26 09:07:20,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:07:20,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:07:20,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:07:20,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:07:20,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (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 09:07:20,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:07:20,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:07:20,805 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:07:20,805 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:07:20 BoogieIcfgContainer [2018-09-26 09:07:20,806 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:07:20,807 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:07:20,807 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:07:20,811 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:07:20,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:07:20" (1/2) ... [2018-09-26 09:07:20,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6118c4 and model type seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:07:20, skipping insertion in model container [2018-09-26 09:07:20,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:07:20" (2/2) ... [2018-09-26 09:07:20,814 INFO L112 eAbstractionObserver]: Analyzing ICFG seq.i_4.bpl [2018-09-26 09:07:20,825 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:07:20,834 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:07:20,880 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:07:20,881 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:07:20,881 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:07:20,882 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:07:20,882 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:07:20,882 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:07:20,882 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:07:20,882 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:07:20,883 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:07:20,900 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 09:07:20,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:07:20,909 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:07:20,910 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 09:07:20,911 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:07:20,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:07:20,917 INFO L82 PathProgramCache]: Analyzing trace with hash 889539531, 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 09:07:20,937 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:07:21,446 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:07:21,446 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-09-26 09:07:21,450 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 09:07:21,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 09:07:21,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-26 09:07:21,459 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2018-09-26 09:07:21,616 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-09-26 09:07:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:07:21,851 INFO L93 Difference]: Finished difference Result 15 states and 18 transitions. [2018-09-26 09:07:21,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 09:07:21,854 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-09-26 09:07:21,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:07:21,866 INFO L225 Difference]: With dead ends: 15 [2018-09-26 09:07:21,866 INFO L226 Difference]: Without dead ends: 12 [2018-09-26 09:07:21,870 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-09-26 09:07:21,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-09-26 09:07:21,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-09-26 09:07:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-09-26 09:07:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2018-09-26 09:07:21,910 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 13 transitions. Word has length 6 [2018-09-26 09:07:21,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:07:21,911 INFO L480 AbstractCegarLoop]: Abstraction has 11 states and 13 transitions. [2018-09-26 09:07:21,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 09:07:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-09-26 09:07:21,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 09:07:21,912 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:07:21,912 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-26 09:07:21,912 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:07:21,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:07:21,913 INFO L82 PathProgramCache]: Analyzing trace with hash 149049733, 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 09:07:21,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:07:22,955 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-09-26 09:08:17,438 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2018-09-26 09:08:33,012 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 63 [2018-09-26 09:09:16,423 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2018-09-26 09:09:16,837 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-09-26 09:09:45,906 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 85 [2018-09-26 09:10:20,644 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 77 [2018-09-26 09:10:21,126 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-09-26 09:11:02,959 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 Received shutdown request... [2018-09-26 09:11:51,692 WARN L186 SmtUtils]: Removed 9 from assertion stack [2018-09-26 09:11:51,895 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:11:51,895 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:11:51,901 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:11:51,902 INFO L202 PluginConnector]: Adding new model seq.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:11:51 BoogieIcfgContainer [2018-09-26 09:11:51,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:11:51,903 INFO L168 Benchmark]: Toolchain (without parser) took 271501.77 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -57.1 MB). Free memory was 1.5 GB in the beginning and 913.4 MB in the end (delta: 569.7 MB). Peak memory consumption was 512.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:11:51,904 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:11:51,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.57 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:11:51,905 INFO L168 Benchmark]: Boogie Preprocessor took 20.01 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:11:51,906 INFO L168 Benchmark]: RCFGBuilder took 340.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:11:51,907 INFO L168 Benchmark]: TraceAbstraction took 271095.03 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -57.1 MB). Free memory was 1.5 GB in the beginning and 913.4 MB in the end (delta: 548.5 MB). Peak memory consumption was 491.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:11:51,918 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 0.20 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 39.57 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 20.01 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 340.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 271095.03 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -57.1 MB). Free memory was 1.5 GB in the beginning and 913.4 MB in the end (delta: 548.5 MB). Peak memory consumption was 491.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 80). Cancelled while BasicCegarLoop was analyzing trace of length 9 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 85. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 271.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5 SDtfs, 3 SDslu, 9 SDs, 0 SdLazy, 17 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.4s 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/seq.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-11-51-935.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/seq.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-11-51-935.csv Completed graceful shutdown