java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:09:58,568 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:09:58,570 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:09:58,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:09:58,589 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:09:58,591 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:09:58,592 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:09:58,594 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:09:58,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:09:58,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:09:58,598 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:09:58,598 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:09:58,599 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:09:58,600 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:09:58,601 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:09:58,602 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:09:58,603 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:09:58,604 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:09:58,606 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:09:58,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:09:58,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:09:58,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:09:58,612 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:09:58,613 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:09:58,613 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:09:58,614 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:09:58,615 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:09:58,615 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:09:58,616 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:09:58,617 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:09:58,618 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:09:58,618 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:09:58,619 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:09:58,619 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:09:58,620 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:09:58,620 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:09:58,621 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 14:09:58,629 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:09:58,629 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:09:58,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:09:58,631 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:09:58,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:09:58,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:09:58,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:09:58,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:09:58,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:09:58,691 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:09:58,692 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:09:58,693 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:09:58,694 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl [2018-07-25 14:09:58,694 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl' [2018-07-25 14:09:58,759 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:09:58,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:09:58,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:58,761 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:09:58,761 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:09:58,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:58,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:09:58,805 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:09:58,805 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:09:58,816 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,819 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,819 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,828 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,830 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... [2018-07-25 14:09:58,834 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:09:58,834 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:09:58,835 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:09:58,835 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:09:58,836 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-07-25 14:09:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:09:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:09:59,850 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:09:59,851 INFO L202 PluginConnector]: Adding new model pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:59 BoogieIcfgContainer [2018-07-25 14:09:59,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:09:59,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:09:59,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:09:59,856 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:09:59,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:58" (1/2) ... [2018-07-25 14:09:59,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10af2f68 and model type pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:09:59, skipping insertion in model container [2018-07-25 14:09:59,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:59" (2/2) ... [2018-07-25 14:09:59,860 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl [2018-07-25 14:09:59,870 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:09:59,879 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:09:59,926 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:09:59,926 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:09:59,927 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:09:59,927 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:09:59,927 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:09:59,927 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:09:59,927 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:09:59,928 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:09:59,928 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:09:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:09:59,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:09:59,951 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:09:59,952 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:09:59,953 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:09:59,958 INFO L82 PathProgramCache]: Analyzing trace with hash 987398, 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 [2018-07-25 14:09:59,982 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:10:00,522 WARN L169 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-07-25 14:10:00,748 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:10:00,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:10:00,753 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:10:00,759 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:10:00,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:10:00,763 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:10:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:10:00,850 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:10:00,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:10:00,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:10:00,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:10:00,865 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:10:00,865 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:10:00,869 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:10:00,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:10:00,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:10:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:10:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:10:00,908 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:10:00,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:10:00,910 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:10:00,910 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:10:00,910 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:10:00,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:10:00,911 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:10:00,912 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:10:00,913 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:10:00,913 INFO L82 PathProgramCache]: Analyzing trace with hash 948966809, 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 [2018-07-25 14:10:00,923 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:10:01,332 WARN L169 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-07-25 14:10:02,145 WARN L169 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-07-25 14:10:02,436 WARN L169 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2018-07-25 14:10:02,796 WARN L169 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 202 [2018-07-25 14:10:03,237 WARN L169 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-07-25 14:10:04,265 WARN L169 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2018-07-25 14:10:04,988 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 281 [2018-07-25 14:10:05,903 WARN L169 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-07-25 14:10:08,323 WARN L169 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2018-07-25 14:10:10,654 WARN L169 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 361 [2018-07-25 14:10:12,095 WARN L169 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-07-25 14:10:17,616 WARN L169 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 435 [2018-07-25 14:10:23,189 WARN L169 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 443 [2018-07-25 14:10:24,197 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2018-07-25 14:10:25,724 WARN L169 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-07-25 14:10:35,384 WARN L169 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-07-25 14:10:36,489 WARN L169 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-07-25 14:10:38,998 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 538 DAG size of output: 538 [2018-07-25 14:10:54,506 WARN L169 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 523 [2018-07-25 14:10:56,362 WARN L169 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2018-07-25 14:10:58,749 WARN L169 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2018-07-25 14:11:23,434 WARN L169 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-07-25 14:11:25,734 WARN L169 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-07-25 14:11:29,654 WARN L169 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 641 DAG size of output: 641 [2018-07-25 14:12:02,290 WARN L169 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 604 [2018-07-25 14:12:05,241 WARN L169 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-07-25 14:12:09,266 WARN L169 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 741 [2018-07-25 14:13:09,035 WARN L169 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-07-25 14:13:12,602 WARN L169 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2018-07-25 14:13:20,031 WARN L169 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 745 DAG size of output: 745 Received shutdown request... [2018-07-25 14:14:44,004 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:44,005 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:14:44,010 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:14:44,011 INFO L202 PluginConnector]: Adding new model pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:14:44 BoogieIcfgContainer [2018-07-25 14:14:44,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:14:44,012 INFO L168 Benchmark]: Toolchain (without parser) took 285252.60 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -11.5 MB). Free memory was 1.5 GB in the beginning and 974.5 MB in the end (delta: 486.0 MB). Peak memory consumption was 474.4 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:44,013 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. [2018-07-25 14:14:44,014 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.09 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:14:44,014 INFO L168 Benchmark]: Boogie Preprocessor took 29.34 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:14:44,015 INFO L168 Benchmark]: RCFGBuilder took 1017.26 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:44,016 INFO L168 Benchmark]: TraceAbstraction took 284157.95 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -11.5 MB). Free memory was 1.4 GB in the beginning and 974.5 MB in the end (delta: 443.7 MB). Peak memory consumption was 432.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:44,022 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 Procedure Inliner took 43.09 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 29.34 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 1017.26 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: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 284157.95 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -11.5 MB). Free memory was 1.4 GB in the beginning and 974.5 MB in the end (delta: 443.7 MB). Peak memory consumption was 432.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 304]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 304). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 45 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 locations, 1 error locations. TIMEOUT Result, 284.0s OverallTime, 2 OverallIterations, 2 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4 SDtfs, 1 SDslu, 4 SDs, 0 SdLazy, 7 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s 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: 0.6s 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/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-14-44-038.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-14-44-038.csv Completed graceful shutdown