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.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 09:14:56,856 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 09:14:56,858 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 09:14:56,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 09:14:56,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 09:14:56,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 09:14:56,873 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 09:14:56,875 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 09:14:56,878 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 09:14:56,878 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 09:14:56,879 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 09:14:56,880 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 09:14:56,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 09:14:56,881 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 09:14:56,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 09:14:56,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 09:14:56,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 09:14:56,886 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 09:14:56,888 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 09:14:56,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 09:14:56,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 09:14:56,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 09:14:56,895 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 09:14:56,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 09:14:56,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 09:14:56,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 09:14:56,897 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 09:14:56,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 09:14:56,899 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 09:14:56,900 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 09:14:56,901 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 09:14:56,901 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 09:14:56,902 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 09:14:56,902 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 09:14:56,903 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 09:14:56,904 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 09:14:56,904 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr.epf [2018-07-25 09:14:56,913 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 09:14:56,913 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 09:14:56,915 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 09:14:56,915 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 09:14:56,915 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-25 09:14:56,916 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 09:14:56,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 09:14:56,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 09:14:56,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 09:14:56,994 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 09:14:56,995 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 09:14:56,996 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl [2018-07-25 09:14:56,996 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_up_down.i_3.bpl' [2018-07-25 09:14:57,045 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 09:14:57,047 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 09:14:57,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:57,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 09:14:57,048 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 09:14:57,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 09:14:57,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 09:14:57,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 09:14:57,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 09:14:57,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,108 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/1) ... [2018-07-25 09:14:57,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 09:14:57,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 09:14:57,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 09:14:57,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 09:14:57,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (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 09:14:57,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 09:14:57,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 09:14:57,420 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 09:14:57,421 INFO L202 PluginConnector]: Adding new model count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:57 BoogieIcfgContainer [2018-07-25 09:14:57,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 09:14:57,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 09:14:57,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 09:14:57,426 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 09:14:57,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 09:14:57" (1/2) ... [2018-07-25 09:14:57,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6185fd46 and model type count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 09:14:57, skipping insertion in model container [2018-07-25 09:14:57,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "count_up_down.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 09:14:57" (2/2) ... [2018-07-25 09:14:57,430 INFO L112 eAbstractionObserver]: Analyzing ICFG count_up_down.i_3.bpl [2018-07-25 09:14:57,441 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 09:14:57,449 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 09:14:57,499 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 09:14:57,500 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 09:14:57,500 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 09:14:57,501 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 09:14:57,501 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 09:14:57,501 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 09:14:57,501 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 09:14:57,501 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 09:14:57,502 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 09:14:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 09:14:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 09:14:57,527 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:57,528 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 09:14:57,529 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:57,535 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-25 09:14:57,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:57,730 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 09:14:57,730 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 09:14:57,744 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 09:14:57,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 09:14:57,755 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:57,766 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 09:14:57,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 09:14:57,838 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-25 09:14:57,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 09:14:57,841 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 09:14:57,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 09:14:57,853 INFO L225 Difference]: With dead ends: 10 [2018-07-25 09:14:57,854 INFO L226 Difference]: Without dead ends: 7 [2018-07-25 09:14:57,858 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 09:14:57,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-25 09:14:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-25 09:14:57,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-25 09:14:57,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-25 09:14:57,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-25 09:14:57,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 09:14:57,899 INFO L472 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-25 09:14:57,899 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 09:14:57,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-25 09:14:57,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-25 09:14:57,900 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 09:14:57,900 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-25 09:14:57,900 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 09:14:57,901 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-25 09:14:57,901 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 09:14:58,403 WARN L169 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 18 [2018-07-25 09:14:58,726 WARN L169 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2018-07-25 09:14:59,894 WARN L169 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-07-25 09:15:00,983 WARN L169 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-07-25 09:15:01,639 WARN L169 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-07-25 09:15:02,643 WARN L169 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2018-07-25 09:15:04,327 WARN L169 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-07-25 09:15:07,312 WARN L169 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 123 [2018-07-25 09:15:27,109 WARN L169 SmtUtils]: Spent 13.67 s on a formula simplification that was a NOOP. DAG size: 135 [2018-07-25 09:15:36,400 WARN L169 SmtUtils]: Spent 3.14 s on a formula simplification that was a NOOP. DAG size: 147 [2018-07-25 09:15:45,798 WARN L169 SmtUtils]: Spent 5.12 s on a formula simplification that was a NOOP. DAG size: 159 [2018-07-25 09:16:06,429 WARN L1010 $PredicateComparison]: unable to prove that (let ((.cse0 (mod c_ULTIMATE.start_main_~n~5 4294967296))) (and (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967291) 4294967296) 0) (= (ite (= .cse0 (mod (+ c_ULTIMATE.start_main_~y~5 5) 4294967296)) 1 0) 0))) (not (and (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 6) 4294967296) .cse0) 1 0) 0) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967290) 4294967296) 0))) (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967288) 4294967296) 0) (= 0 (ite (= .cse0 (mod (+ c_ULTIMATE.start_main_~y~5 8) 4294967296)) 1 0)))) (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967283) 4294967296) 0) (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 13) 4294967296) .cse0) 1 0) 0))) (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967294) 4294967296) 0) (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 2) 4294967296) .cse0) 1 0) 0))) (not (and (= (ite (= .cse0 (mod (+ c_ULTIMATE.start_main_~y~5 1) 4294967296)) 1 0) 0) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967295) 4294967296) 0))) (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967293) 4294967296) 0) (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 3) 4294967296) .cse0) 1 0) 0))) (not (and (= 0 (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 10) 4294967296) .cse0) 1 0)) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967286) 4294967296) 0))) (not (and (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 9) 4294967296) .cse0) 1 0) 0) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967287) 4294967296) 0))) (not (and (= 0 (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 11) 4294967296) .cse0) 1 0)) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967285) 4294967296) 0))) (not (and (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967292) 4294967296) 0) (= 0 (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 4) 4294967296) .cse0) 1 0)))) (not (and (= (ite (= (mod (+ c_ULTIMATE.start_main_~y~5 7) 4294967296) .cse0) 1 0) 0) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967289) 4294967296) 0))) (not (and (<= (mod c_ULTIMATE.start_main_~x~5 4294967296) 0) (= 0 (ite (= .cse0 (mod c_ULTIMATE.start_main_~y~5 4294967296)) 1 0)))) (not (and (= 0 (ite (= .cse0 (mod (+ c_ULTIMATE.start_main_~y~5 12) 4294967296)) 1 0)) (<= (mod (+ c_ULTIMATE.start_main_~x~5 4294967284) 4294967296) 0))))) is different from false [2018-07-25 09:16:06,437 ERROR L403 Pdr]: Internal query 11826#(and (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967291) 4294967296) 0) (= (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod (+ ULTIMATE.start_main_~y~5 5) 4294967296)) 1 0) 0))) (not (and (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 6) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967290) 4294967296) 0))) (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967288) 4294967296) 0) (= 0 (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod (+ ULTIMATE.start_main_~y~5 8) 4294967296)) 1 0)))) (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967283) 4294967296) 0) (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 13) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0))) (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967294) 4294967296) 0) (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 2) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0))) (not (and (= (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod (+ ULTIMATE.start_main_~y~5 1) 4294967296)) 1 0) 0) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967295) 4294967296) 0))) (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967293) 4294967296) 0) (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 3) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0))) (not (and (= 0 (ite (= (mod (+ ULTIMATE.start_main_~y~5 10) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0)) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967286) 4294967296) 0))) (not (and (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 9) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967287) 4294967296) 0))) (not (and (= 0 (ite (= (mod (+ ULTIMATE.start_main_~y~5 11) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0)) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967285) 4294967296) 0))) (not (and (<= (mod (+ ULTIMATE.start_main_~x~5 4294967292) 4294967296) 0) (= 0 (ite (= (mod (+ ULTIMATE.start_main_~y~5 4) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0)))) (not (and (= (ite (= (mod (+ ULTIMATE.start_main_~y~5 7) 4294967296) (mod ULTIMATE.start_main_~n~5 4294967296)) 1 0) 0) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967289) 4294967296) 0))) (not (and (<= (mod ULTIMATE.start_main_~x~5 4294967296) 0) (= 0 (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod ULTIMATE.start_main_~y~5 4294967296)) 1 0)))) (not (and (= 0 (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod (+ ULTIMATE.start_main_~y~5 12) 4294967296)) 1 0)) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967284) 4294967296) 0)))) && assume !!(main_~x~5 % 4294967296 > 0);main_#t~post1 := main_~x~5;main_~x~5 := main_#t~post1 - 1;havoc main_#t~post1;main_#t~post2 := main_~y~5;main_~y~5 := main_#t~post2 + 1;havoc main_#t~post2; && 9539#(and (= 0 (ite (= (mod ULTIMATE.start_main_~n~5 4294967296) (mod (+ ULTIMATE.start_main_~y~5 12) 4294967296)) 1 0)) (<= (mod (+ ULTIMATE.start_main_~x~5 4294967284) 4294967296) 0)) was unknown! [2018-07-25 09:16:06,438 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Solver returned unknown at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:289) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:275) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:189) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:130) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:426) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:309) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:151) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:120) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 09:16:06,442 INFO L168 Benchmark]: Toolchain (without parser) took 69396.06 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 227.8 MB). Peak memory consumption was 335.8 MB. Max. memory is 7.1 GB. [2018-07-25 09:16:06,443 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 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 09:16:06,444 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.39 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 09:16:06,445 INFO L168 Benchmark]: Boogie Preprocessor took 20.98 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 09:16:06,445 INFO L168 Benchmark]: RCFGBuilder took 310.25 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 09:16:06,446 INFO L168 Benchmark]: TraceAbstraction took 69018.90 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 206.7 MB). Peak memory consumption was 314.7 MB. Max. memory is 7.1 GB. [2018-07-25 09:16:06,451 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 0.20 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 41.39 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 20.98 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 310.25 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 69018.90 ms. Allocated memory was 1.5 GB in the beginning and 1.6 GB in the end (delta: 108.0 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 206.7 MB). Peak memory consumption was 314.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Solver returned unknown de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Solver returned unknown: de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.blockingPhase(Pdr.java:405) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/count_up_down.i_3.bpl_AutomizerBpl-pdr.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_09-16-06-471.csv Received shutdown request...