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/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:02:09,621 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:02:09,623 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:02:09,636 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:02:09,636 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:02:09,637 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:02:09,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:02:09,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:02:09,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:02:09,643 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:02:09,644 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:02:09,644 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:02:09,645 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:02:09,646 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:02:09,648 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:02:09,648 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:02:09,649 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:02:09,651 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:02:09,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:02:09,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:02:09,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:02:09,659 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:02:09,661 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:02:09,662 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:02:09,662 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:02:09,663 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:02:09,664 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:02:09,665 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:02:09,666 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:02:09,667 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:02:09,667 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:02:09,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:02:09,668 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:02:09,668 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:02:09,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:02:09,670 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:02:09,670 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 09:02:09,679 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:02:09,679 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:02:09,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:02:09,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:02:09,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:02:09,681 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:02:09,681 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:02:09,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:02:09,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:02:09,751 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:02:09,753 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:02:09,754 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:02:09,755 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl [2018-09-26 09:02:09,755 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl' [2018-09-26 09:02:09,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:02:09,858 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:02:09,858 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:02:09,859 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:02:09,859 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:02:09,878 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,896 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,905 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:02:09,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:02:09,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:02:09,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:02:09,917 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,918 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,921 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,921 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,928 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,930 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,932 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 26.09 09:02:09" (1/1) ... [2018-09-26 09:02:09,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:02:09,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:02:09,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:02:09,936 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:02:09,937 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 26.09 09:02:09" (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 09:02:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:02:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:02:10,882 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:02:10,883 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 26.09 09:02:10 BoogieIcfgContainer [2018-09-26 09:02:10,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:02:10,884 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:02:10,885 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:02:10,888 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:02:10,888 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 26.09 09:02:09" (1/2) ... [2018-09-26 09:02:10,890 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43d0353b and model type pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:02:10, skipping insertion in model container [2018-09-26 09:02:10,890 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 26.09 09:02:10" (2/2) ... [2018-09-26 09:02:10,892 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.3.1.ufo.BOUNDED-6.pals.c_13.bpl [2018-09-26 09:02:10,902 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:02:10,911 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:02:10,959 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:02:10,960 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:02:10,960 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:02:10,960 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:02:10,960 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:02:10,961 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:02:10,961 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:02:10,961 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:02:10,961 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:02:10,976 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:02:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:02:10,985 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:02:10,986 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:02:10,987 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:02:10,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:02:10,995 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 [2018-09-26 09:02:11,012 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:02:11,544 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 09:02:11,745 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 09:02:11,792 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:02:11,792 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 09:02:11,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 09:02:11,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 09:02:11,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 09:02:11,805 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 09:02:11,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:02:11,884 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:02:11,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 09:02:11,888 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 09:02:11,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:02:11,899 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:02:11,899 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:02:11,903 INFO L605 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 [2018-09-26 09:02:11,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:02:11,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:02:11,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:02:11,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:02:11,938 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:02:11,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:02:11,940 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:02:11,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 09:02:11,940 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:02:11,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:02:11,941 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:02:11,941 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:02:11,941 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:02:11,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:02:11,942 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 [2018-09-26 09:02:11,952 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:02:12,310 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-26 09:02:12,457 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-09-26 09:02:12,881 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-26 09:02:13,139 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-26 09:02:13,353 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 114 [2018-09-26 09:02:13,686 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 202 [2018-09-26 09:02:14,241 WARN L178 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-09-26 09:02:15,239 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 230 [2018-09-26 09:02:16,001 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 281 [2018-09-26 09:02:16,868 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-26 09:02:19,200 WARN L178 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 331 [2018-09-26 09:02:21,730 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 364 DAG size of output: 361 [2018-09-26 09:02:23,228 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 431 [2018-09-26 09:02:28,465 WARN L178 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 435 [2018-09-26 09:02:33,996 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 443 [2018-09-26 09:02:35,003 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2018-09-26 09:02:36,525 WARN L178 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-09-26 09:02:46,172 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 446 [2018-09-26 09:02:47,292 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-26 09:02:49,703 WARN L178 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 538 DAG size of output: 538 [2018-09-26 09:03:05,331 WARN L178 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 523 [2018-09-26 09:03:07,235 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 524 [2018-09-26 09:03:09,557 WARN L178 SmtUtils]: Spent 760.00 ms on a formula simplification that was a NOOP. DAG size: 638 [2018-09-26 09:03:34,240 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 527 [2018-09-26 09:03:36,507 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 528 [2018-09-26 09:03:40,395 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 641 DAG size of output: 641 [2018-09-26 09:04:12,586 WARN L178 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 607 DAG size of output: 604 [2018-09-26 09:04:15,638 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 605 [2018-09-26 09:04:19,525 WARN L178 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 741 [2018-09-26 09:05:18,716 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 09:05:22,225 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 610 [2018-09-26 09:05:29,726 WARN L178 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 745 DAG size of output: 745 Received shutdown request... [2018-09-26 09:06:55,317 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:06:55,318 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:06:55,323 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:06:55,323 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 26.09 09:06:55 BoogieIcfgContainer [2018-09-26 09:06:55,323 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:06:55,324 INFO L168 Benchmark]: Toolchain (without parser) took 285468.95 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -39.8 MB). Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 16.4 MB). Peak memory consumption was 549.7 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:55,325 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.23 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 09:06:55,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.42 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 09:06:55,327 INFO L168 Benchmark]: Boogie Preprocessor took 29.36 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 09:06:55,327 INFO L168 Benchmark]: RCFGBuilder took 947.30 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:55,328 INFO L168 Benchmark]: TraceAbstraction took 284439.02 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -39.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -36.4 MB). Peak memory consumption was 496.9 MB. Max. memory is 7.1 GB. [2018-09-26 09:06:55,332 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 0.23 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 47.42 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 29.36 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 947.30 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 284439.02 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -39.8 MB). Free memory was 1.4 GB in the beginning and 1.5 GB in the end (delta: -36.4 MB). Peak memory consumption was 496.9 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, 284.3s 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-0-2018-09-26_09-06-55-345.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-0-2018-09-26_09-06-55-345.csv Completed graceful shutdown