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_2.i_3.bplTransformedIcfg_BEv2_7.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:40:39,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:40:39,459 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:40:39,471 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:40:39,471 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:40:39,472 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:40:39,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:40:39,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:40:39,477 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:40:39,478 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:40:39,479 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 08:40:39,506 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 08:40:39,520 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:40:39,520 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:40:39,522 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:40:39,522 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:40:39,522 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:40:39,523 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:39,523 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:40:39,596 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:40:39,608 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:40:39,611 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:40:39,613 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:40:39,613 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:40:39,614 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-09-26 08:40:39,614 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl' [2018-09-26 08:40:39,665 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:40:39,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:40:39,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:39,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:40:39,672 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:40:39,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.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 Inliner from plugin Boogie Procedure Inliner for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,714 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:40:39,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:40:39,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:40:39,715 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:40:39,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,731 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,734 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/1) ... [2018-09-26 08:40:39,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:40:39,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:40:39,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:40:39,744 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:40:39,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.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 08:40:39,827 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:40:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:40:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:40:40,027 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:40:40,027 INFO L202 PluginConnector]: Adding new model num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:40:40 BoogieIcfgContainer [2018-09-26 08:40:40,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:40:40,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:40:40,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:40:40,033 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:40:40,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:40:39" (1/2) ... [2018-09-26 08:40:40,035 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@155b9dff and model type num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:40:40, skipping insertion in model container [2018-09-26 08:40:40,035 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:40:40" (2/2) ... [2018-09-26 08:40:40,042 INFO L112 eAbstractionObserver]: Analyzing ICFG num_conversion_2.i_3.bplTransformedIcfg_BEv2_7.bpl [2018-09-26 08:40:40,052 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:40:40,065 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:40:40,117 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:40:40,118 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:40:40,118 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:40:40,118 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:40:40,118 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:40:40,119 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:40:40,119 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:40:40,119 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:40:40,119 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:40:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:40:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:40:40,150 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:40,152 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:40:40,153 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:40,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:40,160 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 08:40:40,185 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:40,450 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-09-26 08:40:40,640 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:40:40,640 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:40:40,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:40:40,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:40:40,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:40:40,655 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:40:40,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:40:40,692 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:40:40,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:40:40,694 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:40:40,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:40:40,707 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:40:40,708 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:40:40,711 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:40:40,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:40:40,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:40:40,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:40:40,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:40:40,744 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:40:40,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:40:40,744 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:40:40,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:40:40,745 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:40:40,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:40:40,745 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:40:40,745 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:40:40,746 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:40:40,746 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:40:40,746 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 08:40:40,760 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:40:41,133 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2018-09-26 08:40:41,336 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-26 08:40:41,781 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 33 [2018-09-26 08:40:42,176 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2018-09-26 08:40:42,926 WARN L178 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2018-09-26 08:40:54,958 ERROR L410 Pdr]: Internal query 213#(and (not (and (< ULTIMATE.start_main_~x~5 0) (< ULTIMATE.start_main_~y~5 256) (< ULTIMATE.start_main_~c~5 8) (exists ((v_ULTIMATE.start_main_~y~5_7 Int)) (and (< v_ULTIMATE.start_main_~y~5_7 512) (< v_ULTIMATE.start_main_~y~5_7 (+ ULTIMATE.start_main_~y~5 256)) (not (= (+ ULTIMATE.start_main_~x~5 512) v_ULTIMATE.start_main_~y~5_7)) (<= 256 v_ULTIMATE.start_main_~y~5_7) (<= ULTIMATE.start_main_~y~5 v_ULTIMATE.start_main_~y~5_7))) (<= 7 ULTIMATE.start_main_~c~5) (<= 0 (+ ULTIMATE.start_main_~x~5 256)))) (not (and (<= 0 ULTIMATE.start_main_~y~5) (< ULTIMATE.start_main_~x~5 0) (< ULTIMATE.start_main_~c~5 6) (<= 5 ULTIMATE.start_main_~c~5) (<= 0 (+ ULTIMATE.start_main_~x~5 256)) (exists ((v_ULTIMATE.start_main_~y~5_9 Int)) (and (<= ULTIMATE.start_main_~y~5 v_ULTIMATE.start_main_~y~5_9) (< v_ULTIMATE.start_main_~y~5_9 (+ ULTIMATE.start_main_~y~5 256)) (exists ((v_ULTIMATE.start_main_~y~5_8 Int)) (and (< v_ULTIMATE.start_main_~y~5_8 256) (< v_ULTIMATE.start_main_~y~5_8 (+ v_ULTIMATE.start_main_~y~5_9 256)) (exists ((v_ULTIMATE.start_main_~y~5_7 Int)) (and (< v_ULTIMATE.start_main_~y~5_7 512) (<= v_ULTIMATE.start_main_~y~5_8 v_ULTIMATE.start_main_~y~5_7) (not (= (+ ULTIMATE.start_main_~x~5 512) v_ULTIMATE.start_main_~y~5_7)) (< v_ULTIMATE.start_main_~y~5_7 (+ v_ULTIMATE.start_main_~y~5_8 256)) (<= 256 v_ULTIMATE.start_main_~y~5_7))) (<= v_ULTIMATE.start_main_~y~5_9 v_ULTIMATE.start_main_~y~5_8))) (<= 0 v_ULTIMATE.start_main_~y~5_9))))) (not (and (<= 0 ULTIMATE.start_main_~y~5) (< ULTIMATE.start_main_~c~5 7) (<= 6 ULTIMATE.start_main_~c~5) (< ULTIMATE.start_main_~x~5 0) (exists ((v_ULTIMATE.start_main_~y~5_8 Int)) (and (< v_ULTIMATE.start_main_~y~5_8 256) (exists ((v_ULTIMATE.start_main_~y~5_7 Int)) (and (< v_ULTIMATE.start_main_~y~5_7 512) (<= v_ULTIMATE.start_main_~y~5_8 v_ULTIMATE.start_main_~y~5_7) (not (= (+ ULTIMATE.start_main_~x~5 512) v_ULTIMATE.start_main_~y~5_7)) (< v_ULTIMATE.start_main_~y~5_7 (+ v_ULTIMATE.start_main_~y~5_8 256)) (<= 256 v_ULTIMATE.start_main_~y~5_7))) (< v_ULTIMATE.start_main_~y~5_8 (+ ULTIMATE.start_main_~y~5 256)) (<= ULTIMATE.start_main_~y~5 v_ULTIMATE.start_main_~y~5_8))) (<= 0 (+ ULTIMATE.start_main_~x~5 256)))) (not (and (< ULTIMATE.start_main_~y~5 512) (not (= (+ ULTIMATE.start_main_~x~5 512) ULTIMATE.start_main_~y~5)) (< ULTIMATE.start_main_~x~5 0) (<= 256 ULTIMATE.start_main_~y~5) (<= 8 ULTIMATE.start_main_~c~5) (<= 0 (+ ULTIMATE.start_main_~x~5 256)) (< ULTIMATE.start_main_~c~5 256)))) && assume 0 <= main_~c~5 && main_~c~5 < 8;havoc main_~i~6;havoc main_~bit~6;assume (!(main_~bit~6 == 0) && main_~bit~6 < 256) && 0 <= main_~bit~6;assume ((0 <= main_~y~5 && 0 <= main_~i~6) && main_~i~6 < 256) && main_~y~5 < 256;main_~y~5 := main_~i~6 + main_~y~5;assume main_~c~5 < 256 && 0 <= main_~c~5;main_~c~5 := main_~c~5 + 1; && 147#(and (<= 0 ULTIMATE.start_main_~y~5) (< ULTIMATE.start_main_~c~5 7) (<= 6 ULTIMATE.start_main_~c~5) (< ULTIMATE.start_main_~x~5 0) (exists ((v_ULTIMATE.start_main_~y~5_8 Int)) (and (< v_ULTIMATE.start_main_~y~5_8 256) (exists ((v_ULTIMATE.start_main_~y~5_7 Int)) (and (< v_ULTIMATE.start_main_~y~5_7 512) (<= v_ULTIMATE.start_main_~y~5_8 v_ULTIMATE.start_main_~y~5_7) (not (= (+ ULTIMATE.start_main_~x~5 512) v_ULTIMATE.start_main_~y~5_7)) (< v_ULTIMATE.start_main_~y~5_7 (+ v_ULTIMATE.start_main_~y~5_8 256)) (<= 256 v_ULTIMATE.start_main_~y~5_7))) (< v_ULTIMATE.start_main_~y~5_8 (+ ULTIMATE.start_main_~y~5 256)) (<= ULTIMATE.start_main_~y~5 v_ULTIMATE.start_main_~y~5_8))) (<= 0 (+ ULTIMATE.start_main_~x~5 256))) was unknown! [2018-09-26 08:40:55,159 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:40:55,161 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-26 08:40:55,165 INFO L168 Benchmark]: Toolchain (without parser) took 15499.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 143.8 MB). Peak memory consumption was 143.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:55,167 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:40:55,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.33 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:40:55,168 INFO L168 Benchmark]: Boogie Preprocessor took 23.08 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:40:55,169 INFO L168 Benchmark]: RCFGBuilder took 289.69 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:55,170 INFO L168 Benchmark]: TraceAbstraction took 15135.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 7.1 GB. [2018-09-26 08:40:55,174 INFO L336 ainManager$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 42.33 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 23.08 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 289.69 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: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 15135.68 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: 124.8 MB). Peak memory consumption was 124.8 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_2.i_3.bplTransformedIcfg_BEv2_7.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-40-55-188.csv Received shutdown request...