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/gr2006.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:50:00,531 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:50:00,533 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:50:00,546 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:50:00,546 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:50:00,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:50:00,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:50:00,551 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:50:00,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:50:00,554 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:50:00,556 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:50:00,557 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:50:00,558 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:50:00,560 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:50:00,561 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:50:00,562 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:50:00,566 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:50:00,568 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:50:00,573 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:50:00,576 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:50:00,579 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:50:00,581 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:50:00,585 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:50:00,585 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:50:00,585 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:50:00,586 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:50:00,587 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:50:00,588 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:50:00,589 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:50:00,590 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:50:00,590 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:50:00,594 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:50:00,594 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:50:00,594 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:50:00,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:50:00,597 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:50:00,597 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 08:50:00,613 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:50:00,613 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:50:00,614 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:50:00,617 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:50:00,617 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:50:00,617 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:50:00,617 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:50:00,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:50:00,694 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:50:00,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:50:00,700 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:50:00,701 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:50:00,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl [2018-09-26 08:50:00,702 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gr2006.c.i_4.bpl' [2018-09-26 08:50:00,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:50:00,752 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:50:00,753 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:00,753 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:50:00,753 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:50:00,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:00,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:50:00,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:50:00,790 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:50:00,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... [2018-09-26 08:50:00,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:50:00,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:50:00,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:50:00,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:50:00,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-09-26 08:50:00,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:50:00,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:50:01,278 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:50:01,279 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:01 BoogieIcfgContainer [2018-09-26 08:50:01,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:50:01,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:50:01,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:50:01,286 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:50:01,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:00" (1/2) ... [2018-09-26 08:50:01,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da54991 and model type gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:50:01, skipping insertion in model container [2018-09-26 08:50:01,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:01" (2/2) ... [2018-09-26 08:50:01,291 INFO L112 eAbstractionObserver]: Analyzing ICFG gr2006.c.i_4.bpl [2018-09-26 08:50:01,302 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:50:01,311 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:50:01,370 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:50:01,371 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:50:01,372 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:50:01,372 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:50:01,372 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:50:01,372 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:50:01,372 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:50:01,373 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:50:01,373 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:50:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:50:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:50:01,412 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:50:01,414 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:50:01,415 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:50:01,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:50:01,427 INFO L82 PathProgramCache]: Analyzing trace with hash 944090, 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 08:50:01,454 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:50:01,725 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:50:01,726 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:50:01,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:50:01,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:50:01,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:50:01,741 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:50:01,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:50:01,938 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:50:01,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:50:01,940 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:50:01,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:50:01,951 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:50:01,951 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:50:01,955 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-09-26 08:50:01,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:50:01,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:50:01,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:50:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:50:01,987 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:50:01,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:50:01,987 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:50:01,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:50:01,988 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:50:01,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:50:01,988 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:50:01,989 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:50:01,989 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:50:01,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:50:01,989 INFO L82 PathProgramCache]: Analyzing trace with hash 907335265, 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) [2018-09-26 08:50:02,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:50:06,566 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-09-26 08:50:10,901 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2018-09-26 08:50:16,337 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-26 08:50:24,165 WARN L178 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 252 [2018-09-26 08:50:40,026 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 301 [2018-09-26 08:51:05,907 WARN L178 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2018-09-26 08:51:53,563 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-26 08:52:52,568 WARN L178 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 372 [2018-09-26 08:54:27,111 WARN L178 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 431 Received shutdown request... [2018-09-26 08:54:50,305 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:54:50,306 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 08:54:50,312 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 08:54:50,312 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 08:54:50 BoogieIcfgContainer [2018-09-26 08:54:50,313 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 08:54:50,313 INFO L168 Benchmark]: Toolchain (without parser) took 289563.93 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 159.4 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 118.2 MB). Peak memory consumption was 277.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:54:50,314 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 08:54:50,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.99 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 08:54:50,316 INFO L168 Benchmark]: Boogie Preprocessor took 17.48 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 08:54:50,316 INFO L168 Benchmark]: RCFGBuilder took 471.53 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 08:54:50,317 INFO L168 Benchmark]: TraceAbstraction took 289032.44 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 159.4 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.0 MB). Peak memory consumption was 256.4 MB. Max. memory is 7.1 GB. [2018-09-26 08:54:50,322 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 36.99 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 17.48 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 471.53 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 289032.44 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 159.4 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.0 MB). Peak memory consumption was 256.4 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 54 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 1 error locations. TIMEOUT Result, 288.9s 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, 0.2s 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: 0.2s 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/gr2006.c.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-54-50-335.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/gr2006.c.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_08-54-50-335.csv Completed graceful shutdown