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/20170319-ConjunctivePathPrograms/num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:40:39,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:40:39,455 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:40:39,469 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:40:39,470 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:40:39,471 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:40:39,472 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:40:39,474 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:40:39,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:40:39,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:40:39,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:40:39,478 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:40:39,479 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:40:39,480 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:40:39,481 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:40:39,482 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:40:39,483 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:40:39,485 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:40:39,490 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:40:39,493 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:40:39,495 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:40:39,496 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:40:39,500 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:40:39,501 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:40:39,501 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:40:39,504 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:40:39,505 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:40:39,506 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:40:39,509 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:40:39,512 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:40:39,512 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:40:39,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:40:39,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:40:39,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:40:39,515 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:40:39,518 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:40:39,518 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 08:40:39,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:40:39,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:40:39,530 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:40:39,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:40:39,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:40:39,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:39,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:40:39,582 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:40:39,595 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:40:39,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:40:39,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:40:39,601 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:40:39,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl [2018-09-26 08:40:39,602 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl' [2018-09-26 08:40:39,646 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:40:39,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:40:39,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:39,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:40:39,651 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:40:39,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:39,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:40:39,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:40:39,690 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:40:39,701 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:40:39,709 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:40:39,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:40:39,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:40:39,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (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 08:40:39,783 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:40:39,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:40:39,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:40:40,024 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:40:40,024 INFO L202 PluginConnector]: Adding new model num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:40:40 BoogieIcfgContainer [2018-09-26 08:40:40,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:40:40,026 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:40:40,026 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:40:40,029 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:40:40,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/2) ... [2018-09-26 08:40:40,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718d5cd9 and model type num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:40:40, skipping insertion in model container [2018-09-26 08:40:40,031 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:40:40" (2/2) ... [2018-09-26 08:40:40,033 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl [2018-09-26 08:40:40,044 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:40:40,056 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:40:40,111 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:40:40,112 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:40:40,113 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:40:40,113 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:40:40,113 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:40:40,113 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:40:40,113 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:40:40,114 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:40:40,114 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:40:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:40:40,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:40:40,145 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:40,147 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:40:40,148 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:40,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:40,167 INFO L82 PathProgramCache]: Analyzing trace with hash 29955, 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 08:40:40,193 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:40,435 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-09-26 08:40:40,564 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:40:40,564 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:40:40,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:40:40,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:40:40,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:40:40,576 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:40:40,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:40:40,609 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:40:40,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:40:40,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:40:40,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:40:40,622 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:40:40,622 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:40:40,625 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:40:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:40:40,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:40:40,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:40:40,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:40:40,661 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:40:40,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:40:40,662 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:40:40,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:40:40,662 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:40:40,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:40:40,662 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:40,663 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:40:40,663 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:40,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:40,664 INFO L82 PathProgramCache]: Analyzing trace with hash 930412, 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 08:40:40,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:41,105 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 24 [2018-09-26 08:40:41,456 WARN L178 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2018-09-26 08:40:41,856 WARN L178 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2018-09-26 08:40:42,191 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 32 [2018-09-26 08:40:42,631 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-09-26 08:41:06,915 WARN L178 SmtUtils]: Spent 24.21 s on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2018-09-26 08:41:19,023 WARN L178 SmtUtils]: Spent 12.07 s on a formula simplification that was a NOOP. DAG size: 41 [2018-09-26 08:41:31,851 WARN L178 SmtUtils]: Spent 12.77 s on a formula simplification that was a NOOP. DAG size: 77 [2018-09-26 08:41:43,860 ERROR L410 Pdr]: Internal query 213#(and (not (and (<= 0 ULTIMATE.start_main_~y~4) (<= 7 ULTIMATE.start_main_~c~4) (< ULTIMATE.start_main_~c~4 8) (<= 0 ULTIMATE.start_main_~x~4) (exists ((v_ULTIMATE.start_main_~i~5_3 Int)) (and (not (= ULTIMATE.start_main_~x~4 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) ULTIMATE.start_main_~y~4))) (< (+ (mod v_ULTIMATE.start_main_~i~5_3 256) ULTIMATE.start_main_~y~4) 256) (< (+ v_ULTIMATE.start_main_~i~5_3 256) 0) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) ULTIMATE.start_main_~y~4)))) (< ULTIMATE.start_main_~x~4 256))) (not (and (<= 5 ULTIMATE.start_main_~c~4) (<= 0 ULTIMATE.start_main_~y~4) (<= 0 ULTIMATE.start_main_~x~4) (exists ((v_ULTIMATE.start_main_~i~5_5 Int)) (and (< (+ v_ULTIMATE.start_main_~i~5_5 256) 0) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_5 256) ULTIMATE.start_main_~y~4)) (exists ((v_ULTIMATE.start_main_~i~5_4 Int)) (and (exists ((v_ULTIMATE.start_main_~i~5_3 Int)) (and (< (+ v_ULTIMATE.start_main_~i~5_3 256) 0) (not (= ULTIMATE.start_main_~x~4 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_5 256) ULTIMATE.start_main_~y~4 (mod v_ULTIMATE.start_main_~i~5_4 256)))) (< (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_5 256) ULTIMATE.start_main_~y~4 (mod v_ULTIMATE.start_main_~i~5_4 256)) 256) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_5 256) ULTIMATE.start_main_~y~4 (mod v_ULTIMATE.start_main_~i~5_4 256))))) (< (+ v_ULTIMATE.start_main_~i~5_4 256) 0) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_5 256) ULTIMATE.start_main_~y~4 (mod v_ULTIMATE.start_main_~i~5_4 256))))))) (< ULTIMATE.start_main_~x~4 256) (< ULTIMATE.start_main_~c~4 6))) (not (and (< ULTIMATE.start_main_~c~4 7) (<= 0 ULTIMATE.start_main_~y~4) (<= 0 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~c~4) (< ULTIMATE.start_main_~x~4 256) (exists ((v_ULTIMATE.start_main_~i~5_4 Int)) (and (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4)) (exists ((v_ULTIMATE.start_main_~i~5_3 Int)) (and (< (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4) 256) (not (= (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4) ULTIMATE.start_main_~x~4)) (< (+ v_ULTIMATE.start_main_~i~5_3 256) 0) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4)))) (< (+ v_ULTIMATE.start_main_~i~5_4 256) 0))))) (not (and (not (= ULTIMATE.start_main_~y~4 ULTIMATE.start_main_~x~4)) (< ULTIMATE.start_main_~c~4 256) (<= 0 ULTIMATE.start_main_~y~4) (<= 8 ULTIMATE.start_main_~c~4) (<= 0 ULTIMATE.start_main_~x~4) (< ULTIMATE.start_main_~y~4 256) (< ULTIMATE.start_main_~x~4 256)))) && assume 0 <= main_~c~4 && main_~c~4 < 8;havoc main_~i~5;havoc main_~bit~5;assume 256 + 256 <= main_~bit~5 && !(main_~bit~5 % 256 == 0);assume (0 <= main_~y~4 && main_~y~4 < 256) && main_~i~5 < -256;main_~y~4 := main_~i~5 % 256 + main_~y~4;assume 0 <= main_~c~4 && main_~c~4 < 256;main_~c~4 := main_~c~4 + 1; && 147#(and (< ULTIMATE.start_main_~c~4 7) (<= 0 ULTIMATE.start_main_~y~4) (<= 0 ULTIMATE.start_main_~x~4) (<= 6 ULTIMATE.start_main_~c~4) (< ULTIMATE.start_main_~x~4 256) (exists ((v_ULTIMATE.start_main_~i~5_4 Int)) (and (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4)) (exists ((v_ULTIMATE.start_main_~i~5_3 Int)) (and (< (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4) 256) (not (= (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4) ULTIMATE.start_main_~x~4)) (< (+ v_ULTIMATE.start_main_~i~5_3 256) 0) (<= 0 (+ (mod v_ULTIMATE.start_main_~i~5_3 256) (mod v_ULTIMATE.start_main_~i~5_4 256) ULTIMATE.start_main_~y~4)))) (< (+ v_ULTIMATE.start_main_~i~5_4 256) 0)))) was unknown! [2018-09-26 08:41:44,061 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:41:44,063 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:412) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.computePdr(Pdr.java:291) at de.uni_freiburg.informatik.ultimate.lib.pdr.Pdr.(Pdr.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructPdr(TraceCheckConstructor.java:274) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedRefinementStrategy.getTraceCheck(FixedRefinementStrategy.java:134) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) 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:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-26 08:41:44,067 INFO L168 Benchmark]: Toolchain (without parser) took 64420.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:41:44,068 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:41:44,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.89 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:41:44,070 INFO L168 Benchmark]: Boogie Preprocessor took 19.53 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:41:44,070 INFO L168 Benchmark]: RCFGBuilder took 315.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:41:44,072 INFO L168 Benchmark]: TraceAbstraction took 64040.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 129.6 MB). Peak memory consumption was 129.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:41:44,076 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17 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 38.89 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 19.53 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 315.30 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 64040.84 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 129.6 MB). Peak memory consumption was 129.6 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:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/num_conversion_1.i_3.bplTransformedIcfg_BEv2_9.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-41-44-089.csv Received shutdown request...