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-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:09:31,300 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:09:31,302 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:09:31,319 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:09:31,319 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:09:31,321 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:09:31,323 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:09:31,325 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:09:31,329 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:09:31,330 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:09:31,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:09:31,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:09:31,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:09:31,334 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:09:31,335 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:09:31,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:09:31,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:09:31,339 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:09:31,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:09:31,342 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:09:31,343 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:09:31,344 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:09:31,346 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:09:31,347 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:09:31,347 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:09:31,348 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:09:31,349 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:09:31,349 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:09:31,350 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:09:31,351 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:09:31,351 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:09:31,352 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:09:31,352 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:09:31,352 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:09:31,353 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:09:31,354 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:09:31,355 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 14:09:31,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:09:31,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:09:31,373 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:09:31,374 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:09:31,374 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:09:31,374 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:09:31,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:09:31,443 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:09:31,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:09:31,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:09:31,470 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:09:31,471 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:09:31,471 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:09:31,472 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl' [2018-07-25 14:09:31,590 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:09:31,593 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:09:31,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:31,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:09:31,594 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:09:31,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,632 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:09:31,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:09:31,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:09:31,646 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:09:31,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,668 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,690 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/1) ... [2018-07-25 14:09:31,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:09:31,712 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:09:31,717 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:09:31,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:09:31,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (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 14:09:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:09:31,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:09:32,993 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:09:32,993 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:32 BoogieIcfgContainer [2018-07-25 14:09:32,994 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:09:32,995 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:09:32,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:09:32,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:09:32,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:09:31" (1/2) ... [2018-07-25 14:09:33,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41311f61 and model type pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:09:33, skipping insertion in model container [2018-07-25 14:09:33,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:09:32" (2/2) ... [2018-07-25 14:09:33,002 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl [2018-07-25 14:09:33,013 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:09:33,027 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:09:33,077 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:09:33,077 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:09:33,078 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:09:33,078 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:09:33,078 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:09:33,078 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:09:33,078 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:09:33,079 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:09:33,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:09:33,099 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:09:33,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:09:33,111 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:09:33,112 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:09:33,113 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:09:33,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1011999, 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 14:09:33,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:09:33,975 WARN L169 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-25 14:09:34,419 WARN L169 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 14:09:34,508 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 14:09:34,509 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-25 14:09:34,514 INFO L451 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-25 14:09:34,520 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-25 14:09:34,521 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:09:34,524 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-25 14:09:34,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 14:09:34,640 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 14:09:34,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-25 14:09:34,644 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-25 14:09:34,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 14:09:34,655 INFO L225 Difference]: With dead ends: 10 [2018-07-25 14:09:34,655 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 14:09:34,659 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-25 14:09:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 14:09:34,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 14:09:34,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 14:09:34,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 14:09:34,698 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 14:09:34,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 14:09:34,698 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 14:09:34,699 INFO L473 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-25 14:09:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 14:09:34,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 14:09:34,700 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:09:34,700 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 14:09:34,700 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:09:34,700 INFO L82 PathProgramCache]: Analyzing trace with hash 972615673, 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 14:09:34,719 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:09:35,791 WARN L169 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-07-25 14:09:36,035 WARN L169 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 14:09:36,389 WARN L169 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-07-25 14:09:36,624 WARN L169 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-07-25 14:09:36,997 WARN L169 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 152 [2018-07-25 14:09:37,418 WARN L169 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 282 [2018-07-25 14:09:38,095 WARN L169 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-07-25 14:09:38,868 WARN L169 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-07-25 14:09:39,685 WARN L169 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 320 [2018-07-25 14:09:40,777 WARN L169 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 387 [2018-07-25 14:09:41,295 WARN L169 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-07-25 14:09:42,405 WARN L169 SmtUtils]: Spent 575.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2018-07-25 14:09:43,682 WARN L169 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-07-25 14:09:44,201 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-07-25 14:09:45,767 WARN L169 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 484 DAG size of output: 484 [2018-07-25 14:09:49,204 WARN L169 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 495 DAG size of output: 493 [2018-07-25 14:09:50,458 WARN L169 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 494 [2018-07-25 14:09:52,333 WARN L169 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 657 [2018-07-25 14:09:56,947 WARN L169 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 497 [2018-07-25 14:09:58,092 WARN L169 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 498 [2018-07-25 14:10:01,543 WARN L169 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 661 DAG size of output: 661 [2018-07-25 14:10:09,754 WARN L169 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 601 DAG size of output: 599 [2018-07-25 14:10:12,373 WARN L169 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 600 [2018-07-25 14:10:16,771 WARN L169 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 834 [2018-07-25 14:10:30,790 WARN L169 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 603 [2018-07-25 14:10:33,213 WARN L169 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 604 [2018-07-25 14:10:43,008 WARN L169 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 838 DAG size of output: 838 [2018-07-25 14:11:10,340 WARN L169 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 707 DAG size of output: 705 [2018-07-25 14:11:15,275 WARN L169 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 706 [2018-07-25 14:11:23,553 WARN L169 SmtUtils]: Spent 5.09 s on a formula simplification that was a NOOP. DAG size: 1011 [2018-07-25 14:12:05,077 WARN L169 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 708 [2018-07-25 14:12:10,245 WARN L169 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 709 [2018-07-25 14:12:27,786 WARN L169 SmtUtils]: Spent 11.96 s on a formula simplification. DAG size of input: 1014 DAG size of output: 1014 [2018-07-25 14:13:31,972 WARN L169 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 812 DAG size of output: 810 [2018-07-25 14:13:41,182 WARN L169 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 811 [2018-07-25 14:14:00,894 WARN L169 SmtUtils]: Spent 11.84 s on a formula simplification that was a NOOP. DAG size: 1187 Received shutdown request... [2018-07-25 14:14:20,630 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:14:20,631 WARN L541 AbstractCegarLoop]: Verification canceled [2018-07-25 14:14:20,635 WARN L202 ceAbstractionStarter]: Timeout [2018-07-25 14:14:20,635 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.07 02:14:20 BoogieIcfgContainer [2018-07-25 14:14:20,635 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-25 14:14:20,636 INFO L168 Benchmark]: Toolchain (without parser) took 289045.91 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 140.0 MB). Free memory was 1.5 GB in the beginning and 964.1 MB in the end (delta: 511.6 MB). Peak memory consumption was 651.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:20,638 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 14:14:20,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.97 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 14:14:20,639 INFO L168 Benchmark]: Boogie Preprocessor took 65.85 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 14:14:20,639 INFO L168 Benchmark]: RCFGBuilder took 1281.67 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:20,640 INFO L168 Benchmark]: TraceAbstraction took 287640.57 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 140.0 MB). Free memory was 1.4 GB in the beginning and 964.1 MB in the end (delta: 437.6 MB). Peak memory consumption was 577.6 MB. Max. memory is 7.1 GB. [2018-07-25 14:14:20,644 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 51.97 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 65.85 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 1281.67 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: 74.0 MB). Peak memory consumption was 74.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 287640.57 ms. Allocated memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: 140.0 MB). Free memory was 1.4 GB in the beginning and 964.1 MB in the end (delta: 437.6 MB). Peak memory consumption was 577.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 543]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 543). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateComparison was comparing new predicate (quantified with 0quantifier alternations) to 42 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. TIMEOUT Result, 287.5s 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, 1.2s 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: 1.2s 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/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-14-20-657.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.6.2.ufo.BOUNDED-12.pals.c_12.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-25_14-14-20-657.csv Completed graceful shutdown