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/gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:38:56,448 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:38:56,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:38:56,461 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:38:56,462 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:38:56,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:38:56,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:38:56,469 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:38:56,471 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:38:56,471 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:38:56,472 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-09-26 08:38:56,487 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:38:56,487 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:38:56,488 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:38:56,489 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:38:56,490 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:38:56,491 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:38:56,492 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:38:56,492 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:38:56,493 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-26 08:38:56,495 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 08:38:56,507 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:38:56,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:38:56,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:38:56,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:38:56,509 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:38:56,509 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:38:56,509 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:38:56,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:38:56,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:38:56,581 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:38:56,582 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:38:56,583 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:38:56,584 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 08:38:56,584 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-26 08:38:56,627 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:38:56,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:38:56,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:38:56,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:38:56,631 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:38:56,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,669 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:38:56,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:38:56,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:38:56,671 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:38:56,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/1) ... [2018-09-26 08:38:56,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:38:56,689 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:38:56,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:38:56,689 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:38:56,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (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 08:38:56,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 08:38:56,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:38:56,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:38:57,065 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:38:57,066 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:38:57 BoogieIcfgContainer [2018-09-26 08:38:57,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:38:57,067 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:38:57,067 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:38:57,070 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:38:57,071 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:38:56" (1/2) ... [2018-09-26 08:38:57,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27b22869 and model type gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:38:57, skipping insertion in model container [2018-09-26 08:38:57,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:38:57" (2/2) ... [2018-09-26 08:38:57,074 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-26 08:38:57,084 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:38:57,093 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:38:57,145 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:38:57,146 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:38:57,146 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:38:57,146 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:38:57,146 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:38:57,147 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:38:57,147 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:38:57,147 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:38:57,147 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:38:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2018-09-26 08:38:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 08:38:57,170 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:38:57,171 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-09-26 08:38:57,172 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:38:57,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:38:57,178 INFO L82 PathProgramCache]: Analyzing trace with hash 30023, 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 08:38:57,196 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:38:57,463 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:38:57,464 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 08:38:57,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 08:38:57,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 08:38:57,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:38:57,479 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 3 states. [2018-09-26 08:38:57,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:38:57,520 INFO L93 Difference]: Finished difference Result 8 states and 9 transitions. [2018-09-26 08:38:57,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 08:38:57,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-09-26 08:38:57,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:38:57,534 INFO L225 Difference]: With dead ends: 8 [2018-09-26 08:38:57,535 INFO L226 Difference]: Without dead ends: 5 [2018-09-26 08:38:57,538 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 08:38:57,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-09-26 08:38:57,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-09-26 08:38:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-09-26 08:38:57,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 08:38:57,568 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-09-26 08:38:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:38:57,569 INFO L480 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-09-26 08:38:57,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 08:38:57,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 08:38:57,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:38:57,570 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:38:57,570 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:38:57,570 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:38:57,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:38:57,571 INFO L82 PathProgramCache]: Analyzing trace with hash 942973, 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 08:38:57,583 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:38:58,470 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-09-26 08:38:59,561 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-09-26 08:39:11,595 ERROR L410 Pdr]: Internal query 294#(and (not (and (not (= ULTIMATE.start_main_~y~4 100)) (<= 100 ULTIMATE.start_main_~x~4))) (not (exists ((v_ULTIMATE.start_main_~x~4_14 Int) (v_ULTIMATE.start_main_~y~4_11 Int)) (and (or (and (<= 50 ULTIMATE.start_main_~x~4) (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_11) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_14)) (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_11) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_14) (< ULTIMATE.start_main_~x~4 50))) (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_13) (not (= 100 v_ULTIMATE.start_main_~y~4_10)) (or (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (= (+ v_ULTIMATE.start_main_~y~4_11 1) v_ULTIMATE.start_main_~y~4_10) (<= 50 v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (< v_ULTIMATE.start_main_~x~4_14 50) (= v_ULTIMATE.start_main_~y~4_11 v_ULTIMATE.start_main_~y~4_10))))) (< v_ULTIMATE.start_main_~x~4_14 100)))) (not (exists ((v_ULTIMATE.start_main_~x~4_15 Int) (v_ULTIMATE.start_main_~y~4_12 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_14 Int) (v_ULTIMATE.start_main_~y~4_11 Int)) (and (or (and (= v_ULTIMATE.start_main_~y~4_12 v_ULTIMATE.start_main_~y~4_11) (< v_ULTIMATE.start_main_~x~4_15 50) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~y~4_12 1) v_ULTIMATE.start_main_~y~4_11) (<= 50 v_ULTIMATE.start_main_~x~4_15) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14))) (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_13) (not (= 100 v_ULTIMATE.start_main_~y~4_10)) (or (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (= (+ v_ULTIMATE.start_main_~y~4_11 1) v_ULTIMATE.start_main_~y~4_10) (<= 50 v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (< v_ULTIMATE.start_main_~x~4_14 50) (= v_ULTIMATE.start_main_~y~4_11 v_ULTIMATE.start_main_~y~4_10))))) (< v_ULTIMATE.start_main_~x~4_14 100))) (or (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_12) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_15) (<= 50 ULTIMATE.start_main_~x~4)) (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_12) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_15) (< ULTIMATE.start_main_~x~4 50)))))) (not (exists ((v_ULTIMATE.start_main_~x~4_16 Int) (v_ULTIMATE.start_main_~y~4_13 Int)) (and (or (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_16) (< ULTIMATE.start_main_~x~4 50) (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_13)) (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_16) (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_13) (<= 50 ULTIMATE.start_main_~x~4))) (exists ((v_ULTIMATE.start_main_~x~4_15 Int) (v_ULTIMATE.start_main_~y~4_12 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_14 Int) (v_ULTIMATE.start_main_~y~4_11 Int)) (and (or (and (= v_ULTIMATE.start_main_~y~4_12 v_ULTIMATE.start_main_~y~4_11) (< v_ULTIMATE.start_main_~x~4_15 50) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~y~4_12 1) v_ULTIMATE.start_main_~y~4_11) (<= 50 v_ULTIMATE.start_main_~x~4_15) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14))) (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_13) (not (= 100 v_ULTIMATE.start_main_~y~4_10)) (or (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (= (+ v_ULTIMATE.start_main_~y~4_11 1) v_ULTIMATE.start_main_~y~4_10) (<= 50 v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (< v_ULTIMATE.start_main_~x~4_14 50) (= v_ULTIMATE.start_main_~y~4_11 v_ULTIMATE.start_main_~y~4_10))))) (< v_ULTIMATE.start_main_~x~4_14 100))) (or (and (< v_ULTIMATE.start_main_~x~4_16 50) (= (+ v_ULTIMATE.start_main_~x~4_16 1) v_ULTIMATE.start_main_~x~4_15) (= v_ULTIMATE.start_main_~y~4_13 v_ULTIMATE.start_main_~y~4_12)) (and (= (+ v_ULTIMATE.start_main_~y~4_13 1) v_ULTIMATE.start_main_~y~4_12) (= (+ v_ULTIMATE.start_main_~x~4_16 1) v_ULTIMATE.start_main_~x~4_15) (<= 50 v_ULTIMATE.start_main_~x~4_16)))))))) (not (and (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (or (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_13) (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_10) (<= 50 ULTIMATE.start_main_~x~4)) (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_13) (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_10) (< ULTIMATE.start_main_~x~4 50))) (<= 100 v_ULTIMATE.start_main_~x~4_13) (not (= 100 v_ULTIMATE.start_main_~y~4_10)))) (< ULTIMATE.start_main_~x~4 100)))) && assume main_~x~4 < 100;BeginParallelComposition{ParallelCodeBlock0: assume main_~x~4 < 50;main_~x~4 := main_~x~4 + 1;ParallelCodeBlock1: assume !(main_~x~4 < 50);main_~x~4 := main_~x~4 + 1;main_~y~4 := main_~y~4 + 1;}EndParallelComposition && 206#(exists ((v_ULTIMATE.start_main_~x~4_15 Int) (v_ULTIMATE.start_main_~y~4_12 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_14 Int) (v_ULTIMATE.start_main_~y~4_11 Int)) (and (or (and (= v_ULTIMATE.start_main_~y~4_12 v_ULTIMATE.start_main_~y~4_11) (< v_ULTIMATE.start_main_~x~4_15 50) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~y~4_12 1) v_ULTIMATE.start_main_~y~4_11) (<= 50 v_ULTIMATE.start_main_~x~4_15) (= (+ v_ULTIMATE.start_main_~x~4_15 1) v_ULTIMATE.start_main_~x~4_14))) (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_13) (not (= 100 v_ULTIMATE.start_main_~y~4_10)) (or (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (= (+ v_ULTIMATE.start_main_~y~4_11 1) v_ULTIMATE.start_main_~y~4_10) (<= 50 v_ULTIMATE.start_main_~x~4_14)) (and (= (+ v_ULTIMATE.start_main_~x~4_14 1) v_ULTIMATE.start_main_~x~4_13) (< v_ULTIMATE.start_main_~x~4_14 50) (= v_ULTIMATE.start_main_~y~4_11 v_ULTIMATE.start_main_~y~4_10))))) (< v_ULTIMATE.start_main_~x~4_14 100))) (or (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_12) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_15) (<= 50 ULTIMATE.start_main_~x~4)) (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_12) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_15) (< ULTIMATE.start_main_~x~4 50))))) was unknown! [2018-09-26 08:39:11,796 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:39:11,798 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-26 08:39:11,802 INFO L168 Benchmark]: Toolchain (without parser) took 15174.81 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.3 GB in the end (delta: 150.7 MB). Peak memory consumption was 150.7 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:11,805 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:39:11,806 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.39 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:39:11,807 INFO L168 Benchmark]: Boogie Preprocessor took 18.54 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:39:11,807 INFO L168 Benchmark]: RCFGBuilder took 376.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:11,809 INFO L168 Benchmark]: TraceAbstraction took 14734.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2018-09-26 08:39:11,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 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 Procedure Inliner took 39.39 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 18.54 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 376.80 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 14734.35 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 129.5 MB). Peak memory consumption was 129.5 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/gj2007.c.i_4.bplTransformedIcfg_BEv2_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-39-11-836.csv Received shutdown request...