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/nested9.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:54:17,116 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:54:17,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:54:17,136 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:54:17,136 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:54:17,138 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:54:17,139 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:54:17,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:54:17,144 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:54:17,145 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:54:17,153 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:54:17,153 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:54:17,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:54:17,157 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:54:17,158 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:54:17,162 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:54:17,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:54:17,168 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:54:17,173 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:54:17,174 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:54:17,177 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:54:17,178 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:54:17,181 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:54:17,181 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:54:17,183 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:54:17,184 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:54:17,185 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:54:17,186 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:54:17,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:54:17,190 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:54:17,190 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:54:17,191 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:54:17,191 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:54:17,191 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:54:17,193 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:54:17,195 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:54:17,195 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 08:54:17,209 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:54:17,209 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:54:17,210 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:54:17,211 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:54:17,211 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:54:17,211 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:17,211 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:54:17,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:54:17,296 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:54:17,300 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:54:17,302 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:54:17,302 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:54:17,303 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl [2018-09-26 08:54:17,303 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested9.i_3.bpl' [2018-09-26 08:54:17,361 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:54:17,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:54:17,365 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:54:17,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:54:17,365 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:54:17,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,399 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:54:17,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:54:17,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:54:17,408 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:54:17,419 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,421 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/1) ... [2018-09-26 08:54:17,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:54:17,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:54:17,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:54:17,429 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:54:17,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (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 08:54:17,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:54:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:54:17,816 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:54:17,817 INFO L202 PluginConnector]: Adding new model nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:54:17 BoogieIcfgContainer [2018-09-26 08:54:17,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:54:17,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:54:17,819 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:54:17,822 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:54:17,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:54:17" (1/2) ... [2018-09-26 08:54:17,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5240657a and model type nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:54:17, skipping insertion in model container [2018-09-26 08:54:17,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:54:17" (2/2) ... [2018-09-26 08:54:17,826 INFO L112 eAbstractionObserver]: Analyzing ICFG nested9.i_3.bpl [2018-09-26 08:54:17,836 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:54:17,844 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:54:17,892 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:54:17,892 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:54:17,893 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:54:17,893 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:54:17,893 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:54:17,893 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:54:17,894 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:54:17,894 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:54:17,894 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:54:17,909 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2018-09-26 08:54:17,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:54:17,918 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:54:17,919 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-09-26 08:54:17,920 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:54:17,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:54:17,931 INFO L82 PathProgramCache]: Analyzing trace with hash 889599113, 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 08:54:17,957 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:54:18,459 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:54:18,460 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-26 08:54:18,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-26 08:54:18,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-26 08:54:18,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-09-26 08:54:18,474 INFO L87 Difference]: Start difference. First operand 8 states. Second operand 5 states. [2018-09-26 08:54:18,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:54:18,922 INFO L93 Difference]: Finished difference Result 13 states and 15 transitions. [2018-09-26 08:54:18,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-09-26 08:54:18,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-09-26 08:54:18,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:54:18,937 INFO L225 Difference]: With dead ends: 13 [2018-09-26 08:54:18,937 INFO L226 Difference]: Without dead ends: 10 [2018-09-26 08:54:18,941 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-09-26 08:54:18,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-09-26 08:54:18,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-09-26 08:54:18,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-09-26 08:54:18,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2018-09-26 08:54:18,980 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 10 transitions. Word has length 6 [2018-09-26 08:54:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:54:18,981 INFO L480 AbstractCegarLoop]: Abstraction has 9 states and 10 transitions. [2018-09-26 08:54:18,981 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-26 08:54:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-26 08:54:18,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 08:54:18,982 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:54:18,982 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2018-09-26 08:54:18,982 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:54:18,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:54:18,983 INFO L82 PathProgramCache]: Analyzing trace with hash 206308035, 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 08:54:18,994 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:54:19,973 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2018-09-26 08:54:59,232 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2018-09-26 08:55:40,193 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 78 [2018-09-26 08:56:00,481 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 83 [2018-09-26 08:56:24,558 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 86 [2018-09-26 08:56:53,483 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 91 [2018-09-26 08:57:27,752 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 94 [2018-09-26 08:58:08,414 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 99 Received shutdown request... [2018-09-26 08:58:50,635 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:58:50,636 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:58:50,642 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:58:50,642 INFO L202 PluginConnector]: Adding new model nested9.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:58:50 BoogieIcfgContainer [2018-09-26 08:58:50,643 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:58:50,644 INFO L168 Benchmark]: Toolchain (without parser) took 273282.48 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -210.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 191.8 MB). Peak memory consumption was 373.9 MB. Max. memory is 7.1 GB. [2018-09-26 08:58:50,645 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 08:58:50,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.55 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 08:58:50,646 INFO L168 Benchmark]: Boogie Preprocessor took 21.14 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 08:58:50,647 INFO L168 Benchmark]: RCFGBuilder took 388.26 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 08:58:50,648 INFO L168 Benchmark]: TraceAbstraction took 272824.36 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -210.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 170.6 MB). Peak memory consumption was 352.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:58:50,652 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 0.18 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 42.55 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 21.14 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 388.26 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 272824.36 ms. Allocated memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: -210.2 MB). Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 170.6 MB). Peak memory consumption was 352.7 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 PredicateComparison was comparing new predicate (quantifier-free) to 86 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 272.7s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3 SDtfs, 6 SDslu, 4 SDs, 0 SdLazy, 17 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred 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/nested9.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-58-50-666.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/nested9.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-58-50-666.csv Completed graceful shutdown