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-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:57:44,285 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:57:44,287 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:57:44,301 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:57:44,301 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:57:44,302 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:57:44,304 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:57:44,305 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:57:44,307 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:57:44,308 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:57:44,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:57:44,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:57:44,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:57:44,311 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:57:44,312 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:57:44,313 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:57:44,314 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:57:44,316 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:57:44,318 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:57:44,319 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:57:44,320 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:57:44,321 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:57:44,324 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:57:44,324 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:57:44,324 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:57:44,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:57:44,327 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:57:44,327 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:57:44,328 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:57:44,329 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:57:44,329 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:57:44,330 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:57:44,331 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:57:44,331 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:57:44,332 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:57:44,333 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:57:44,333 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 08:57:44,344 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:57:44,345 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:57:44,346 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:57:44,346 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:57:44,347 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:57:44,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:57:44,347 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:57:44,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:57:44,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:57:44,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:57:44,418 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:57:44,419 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:57:44,419 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-09-26 08:57:44,420 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl' [2018-09-26 08:57:44,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:57:44,508 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:57:44,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:57:44,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:57:44,513 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:57:44,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:57:44,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:57:44,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:57:44,573 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:57:44,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/1) ... [2018-09-26 08:57:44,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:57:44,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:57:44,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:57:44,614 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:57:44,620 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (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 08:57:44,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:57:44,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:57:45,677 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:57:45,678 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:57:45 BoogieIcfgContainer [2018-09-26 08:57:45,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:57:45,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:57:45,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:57:45,683 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:57:45,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:57:44" (1/2) ... [2018-09-26 08:57:45,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8a22cb and model type pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:57:45, skipping insertion in model container [2018-09-26 08:57:45,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:57:45" (2/2) ... [2018-09-26 08:57:45,694 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl [2018-09-26 08:57:45,719 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:57:45,737 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:57:45,803 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:57:45,804 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:57:45,804 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:57:45,804 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:57:45,804 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:57:45,805 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:57:45,805 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:57:45,805 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:57:45,805 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:57:45,820 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:57:45,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:57:45,829 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:57:45,830 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:57:45,831 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:57:45,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:57:45,837 INFO L82 PathProgramCache]: Analyzing trace with hash 990345, 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 08:57:45,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:57:46,655 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 08:57:47,116 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 08:57:47,179 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:57:47,179 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:57:47,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:57:47,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:57:47,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:57:47,193 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:57:47,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:57:47,267 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:57:47,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:57:47,271 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:57:47,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:57:47,283 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:57:47,283 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:57:47,287 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:57:47,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:57:47,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:57:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:57:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:57:47,324 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:57:47,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:57:47,324 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:57:47,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:57:47,326 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:57:47,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:57:47,326 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:57:47,326 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:57:47,327 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:57:47,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:57:47,327 INFO L82 PathProgramCache]: Analyzing trace with hash 951799901, now seen corresponding path program 1 times No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:57:47,340 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:57:47,560 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-09-26 08:57:47,738 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-09-26 08:57:48,050 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-09-26 08:57:48,470 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-09-26 08:57:48,837 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 131 [2018-09-26 08:57:49,570 WARN L178 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-09-26 08:57:51,005 WARN L178 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2018-09-26 08:57:52,900 WARN L178 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-09-26 08:57:55,986 WARN L178 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2018-09-26 08:57:58,187 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-09-26 08:57:59,114 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-26 08:58:00,489 WARN L178 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 485 [2018-09-26 08:58:03,879 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-09-26 08:58:04,548 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-09-26 08:58:07,022 WARN L178 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 489 DAG size of output: 489 [2018-09-26 08:58:12,188 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 455 [2018-09-26 08:58:13,301 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 456 [2018-09-26 08:58:16,282 WARN L178 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 609 [2018-09-26 08:58:24,839 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-09-26 08:58:25,921 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-09-26 08:58:30,826 WARN L178 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 613 DAG size of output: 613 [2018-09-26 08:58:44,224 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 534 [2018-09-26 08:58:45,891 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 535 [2018-09-26 08:58:51,482 WARN L178 SmtUtils]: Spent 3.91 s on a formula simplification that was a NOOP. DAG size: 733 [2018-09-26 08:59:12,028 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 538 [2018-09-26 08:59:13,874 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 539 [2018-09-26 08:59:24,608 WARN L178 SmtUtils]: Spent 8.96 s on a formula simplification. DAG size of input: 737 DAG size of output: 737 [2018-09-26 08:59:54,606 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 613 [2018-09-26 08:59:57,357 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 614 [2018-09-26 09:00:08,417 WARN L178 SmtUtils]: Spent 8.09 s on a formula simplification that was a NOOP. DAG size: 857 [2018-09-26 09:00:52,450 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 617 [2018-09-26 09:00:55,528 WARN L178 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 618 [2018-09-26 09:01:14,224 WARN L178 SmtUtils]: Spent 16.21 s on a formula simplification. DAG size of input: 861 DAG size of output: 861 [2018-09-26 09:02:17,266 WARN L178 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 692 [2018-09-26 09:02:21,561 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 693 Received shutdown request... [2018-09-26 09:02:27,214 WARN L186 SmtUtils]: Removed 14 from assertion stack [2018-09-26 09:02:27,417 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:02:27,418 WARN L549 AbstractCegarLoop]: Verification canceled [2018-09-26 09:02:27,423 WARN L206 ceAbstractionStarter]: Timeout [2018-09-26 09:02:27,424 INFO L202 PluginConnector]: Adding new model pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.09 09:02:27 BoogieIcfgContainer [2018-09-26 09:02:27,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-09-26 09:02:27,425 INFO L168 Benchmark]: Toolchain (without parser) took 282919.90 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.4 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 278.5 MB). Peak memory consumption was 456.4 MB. Max. memory is 7.1 GB. [2018-09-26 09:02:27,426 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:02:27,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.18 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 09:02:27,427 INFO L168 Benchmark]: Boogie Preprocessor took 40.80 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 09:02:27,428 INFO L168 Benchmark]: RCFGBuilder took 1065.36 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 09:02:27,429 INFO L168 Benchmark]: TraceAbstraction took 281744.51 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 225.6 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:02:27,434 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 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 60.18 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 Preprocessor took 40.80 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 1065.36 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 281744.51 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -127.4 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 225.6 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 386]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 386). Cancelled while BasicCegarLoop was analyzing trace of length 7 with TraceHistMax 2, while PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 981. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 17 locations, 1 error locations. TIMEOUT Result, 281.6s 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, 1.1s 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.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-02-27-455.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c_10.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-TraceAbstractionBenchmarks-0-2018-09-26_09-02-27-455.csv Completed graceful shutdown