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-z3.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 13:58:35,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 13:58:35,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 13:58:35,836 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 13:58:35,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 13:58:35,839 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 13:58:35,840 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 13:58:35,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 13:58:35,845 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 13:58:35,847 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 13:58:35,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 13:58:35,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 13:58:35,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 13:58:35,854 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 13:58:35,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 13:58:35,863 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 13:58:35,864 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 13:58:35,869 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 13:58:35,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 13:58:35,875 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 13:58:35,876 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 13:58:35,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 13:58:35,883 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 13:58:35,884 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 13:58:35,884 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 13:58:35,886 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 13:58:35,887 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 13:58:35,888 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 13:58:35,889 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 13:58:35,890 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 13:58:35,890 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 13:58:35,893 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 13:58:35,893 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 13:58:35,893 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 13:58:35,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 13:58:35,897 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 13:58:35,897 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/Pdr/AutomizerBpl-pdr-z3.epf [2018-07-25 13:58:35,911 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 13:58:35,911 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 13:58:35,913 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 13:58:35,913 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 13:58:35,914 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 13:58:35,914 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:58:35,914 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 13:58:35,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 13:58:35,981 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 13:58:35,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 13:58:35,986 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 13:58:35,987 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 13:58:35,987 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl [2018-07-25 13:58:35,988 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/gj2007.c.i_4.bpl' [2018-07-25 13:58:36,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 13:58:36,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 13:58:36,040 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 13:58:36,040 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 13:58:36,040 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 13:58:36,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,074 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 13:58:36,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 13:58:36,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 13:58:36,082 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 13:58:36,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,093 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/1) ... [2018-07-25 13:58:36,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 13:58:36,101 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 13:58:36,101 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 13:58:36,101 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 13:58:36,102 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (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 13:58:36,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 13:58:36,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 13:58:36,465 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 13:58:36,466 INFO L202 PluginConnector]: Adding new model gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:58:36 BoogieIcfgContainer [2018-07-25 13:58:36,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 13:58:36,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 13:58:36,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 13:58:36,471 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 13:58:36,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 01:58:36" (1/2) ... [2018-07-25 13:58:36,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b6e0b and model type gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 01:58:36, skipping insertion in model container [2018-07-25 13:58:36,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "gj2007.c.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 01:58:36" (2/2) ... [2018-07-25 13:58:36,474 INFO L112 eAbstractionObserver]: Analyzing ICFG gj2007.c.i_4.bpl [2018-07-25 13:58:36,484 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 13:58:36,493 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 13:58:36,539 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 13:58:36,540 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 13:58:36,540 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 13:58:36,540 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 13:58:36,541 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 13:58:36,541 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 13:58:36,541 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 13:58:36,541 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 13:58:36,541 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 13:58:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 13:58:36,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 13:58:36,565 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:58:36,566 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 13:58:36,567 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:58:36,572 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, 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 [2018-07-25 13:58:36,596 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:58:36,872 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-25 13:58:36,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-25 13:58:36,877 INFO L451 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-25 13:58:36,883 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-25 13:58:36,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:58:36,886 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-25 13:58:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-25 13:58:36,959 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2018-07-25 13:58:36,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-25 13:58:36,961 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-25 13:58:36,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-25 13:58:36,973 INFO L225 Difference]: With dead ends: 13 [2018-07-25 13:58:36,974 INFO L226 Difference]: Without dead ends: 8 [2018-07-25 13:58:36,977 INFO L574 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-25 13:58:36,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-25 13:58:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-25 13:58:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-25 13:58:37,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-25 13:58:37,016 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2018-07-25 13:58:37,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-25 13:58:37,017 INFO L472 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-25 13:58:37,017 INFO L473 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-25 13:58:37,017 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-25 13:58:37,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-25 13:58:37,018 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 13:58:37,018 INFO L354 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2018-07-25 13:58:37,019 INFO L415 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 13:58:37,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1808054743, 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 [2018-07-25 13:58:37,031 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 13:58:39,673 WARN L169 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-07-25 13:58:41,942 WARN L169 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2018-07-25 13:58:53,981 ERROR L403 Pdr]: Internal query 2267#(and (not (exists ((v_ULTIMATE.start_main_~x~4_10 Int) (v_ULTIMATE.start_main_~y~4_7 Int)) (and (< v_ULTIMATE.start_main_~x~4_10 100) (or (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_7) (<= 50 ULTIMATE.start_main_~x~4) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_10)) (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_7) (< ULTIMATE.start_main_~x~4 50) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_10))) (exists ((v_ULTIMATE.start_main_~x~4_9 Int) (v_ULTIMATE.start_main_~y~4_6 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_9) (or (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_6 (+ v_ULTIMATE.start_main_~y~4_7 1))) (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (= v_ULTIMATE.start_main_~y~4_7 v_ULTIMATE.start_main_~y~4_6) (< v_ULTIMATE.start_main_~x~4_10 50))) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0)))))) (not (exists ((v_ULTIMATE.start_main_~x~4_11 Int) (v_ULTIMATE.start_main_~y~4_8 Int)) (and (or (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_8) (<= 50 ULTIMATE.start_main_~x~4) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_11)) (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_8) (< ULTIMATE.start_main_~x~4 50) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_11))) (exists ((v_ULTIMATE.start_main_~x~4_10 Int) (v_ULTIMATE.start_main_~y~4_7 Int)) (and (or (and (<= 50 v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= (+ v_ULTIMATE.start_main_~y~4_8 1) v_ULTIMATE.start_main_~y~4_7)) (and (< v_ULTIMATE.start_main_~x~4_11 50) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_7))) (< v_ULTIMATE.start_main_~x~4_10 100) (exists ((v_ULTIMATE.start_main_~x~4_9 Int) (v_ULTIMATE.start_main_~y~4_6 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_9) (or (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_6 (+ v_ULTIMATE.start_main_~y~4_7 1))) (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (= v_ULTIMATE.start_main_~y~4_7 v_ULTIMATE.start_main_~y~4_6) (< v_ULTIMATE.start_main_~x~4_10 50))) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0)))))))) (not (exists ((v_ULTIMATE.start_main_~x~4_13 Int) (v_ULTIMATE.start_main_~y~4_10 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_12 Int) (v_ULTIMATE.start_main_~y~4_9 Int)) (and (or (and (= (+ v_ULTIMATE.start_main_~x~4_13 1) v_ULTIMATE.start_main_~x~4_12) (= v_ULTIMATE.start_main_~y~4_9 v_ULTIMATE.start_main_~y~4_10) (< v_ULTIMATE.start_main_~x~4_13 50)) (and (= (+ v_ULTIMATE.start_main_~x~4_13 1) v_ULTIMATE.start_main_~x~4_12) (= (+ v_ULTIMATE.start_main_~y~4_10 1) v_ULTIMATE.start_main_~y~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_13))) (exists ((v_ULTIMATE.start_main_~x~4_11 Int) (v_ULTIMATE.start_main_~y~4_8 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_10 Int) (v_ULTIMATE.start_main_~y~4_7 Int)) (and (or (and (<= 50 v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= (+ v_ULTIMATE.start_main_~y~4_8 1) v_ULTIMATE.start_main_~y~4_7)) (and (< v_ULTIMATE.start_main_~x~4_11 50) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_7))) (< v_ULTIMATE.start_main_~x~4_10 100) (exists ((v_ULTIMATE.start_main_~x~4_9 Int) (v_ULTIMATE.start_main_~y~4_6 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_9) (or (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_6 (+ v_ULTIMATE.start_main_~y~4_7 1))) (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (= v_ULTIMATE.start_main_~y~4_7 v_ULTIMATE.start_main_~y~4_6) (< v_ULTIMATE.start_main_~x~4_10 50))) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0))))) (or (and (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~y~4_9 1) v_ULTIMATE.start_main_~y~4_8) (<= 50 v_ULTIMATE.start_main_~x~4_12)) (and (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_9) (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (< v_ULTIMATE.start_main_~x~4_12 50))))))) (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)))))) (not (exists ((v_ULTIMATE.start_main_~y~4_6 Int) (v_ULTIMATE.start_main_~x~4_9 Int)) (and (or (and (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_6) (< ULTIMATE.start_main_~x~4 50) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_9)) (and (<= 50 ULTIMATE.start_main_~x~4) (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_6) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_9))) (<= 100 v_ULTIMATE.start_main_~x~4_9) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0)))) (not (exists ((v_ULTIMATE.start_main_~x~4_12 Int) (v_ULTIMATE.start_main_~y~4_9 Int)) (and (or (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_12) (< ULTIMATE.start_main_~x~4 50) (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_9)) (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_9) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_12) (<= 50 ULTIMATE.start_main_~x~4))) (exists ((v_ULTIMATE.start_main_~x~4_11 Int) (v_ULTIMATE.start_main_~y~4_8 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_10 Int) (v_ULTIMATE.start_main_~y~4_7 Int)) (and (or (and (<= 50 v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= (+ v_ULTIMATE.start_main_~y~4_8 1) v_ULTIMATE.start_main_~y~4_7)) (and (< v_ULTIMATE.start_main_~x~4_11 50) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_7))) (< v_ULTIMATE.start_main_~x~4_10 100) (exists ((v_ULTIMATE.start_main_~x~4_9 Int) (v_ULTIMATE.start_main_~y~4_6 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_9) (or (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_6 (+ v_ULTIMATE.start_main_~y~4_7 1))) (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (= v_ULTIMATE.start_main_~y~4_7 v_ULTIMATE.start_main_~y~4_6) (< v_ULTIMATE.start_main_~x~4_10 50))) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0))))) (or (and (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~y~4_9 1) v_ULTIMATE.start_main_~y~4_8) (<= 50 v_ULTIMATE.start_main_~x~4_12)) (and (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_9) (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (< v_ULTIMATE.start_main_~x~4_12 50))))))))) && 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 && 1316#(exists ((v_ULTIMATE.start_main_~x~4_12 Int) (v_ULTIMATE.start_main_~y~4_9 Int)) (and (or (and (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_12) (< ULTIMATE.start_main_~x~4 50) (= ULTIMATE.start_main_~y~4 v_ULTIMATE.start_main_~y~4_9)) (and (= (+ ULTIMATE.start_main_~y~4 1) v_ULTIMATE.start_main_~y~4_9) (= (+ ULTIMATE.start_main_~x~4 1) v_ULTIMATE.start_main_~x~4_12) (<= 50 ULTIMATE.start_main_~x~4))) (exists ((v_ULTIMATE.start_main_~x~4_11 Int) (v_ULTIMATE.start_main_~y~4_8 Int)) (and (exists ((v_ULTIMATE.start_main_~x~4_10 Int) (v_ULTIMATE.start_main_~y~4_7 Int)) (and (or (and (<= 50 v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= (+ v_ULTIMATE.start_main_~y~4_8 1) v_ULTIMATE.start_main_~y~4_7)) (and (< v_ULTIMATE.start_main_~x~4_11 50) (= (+ v_ULTIMATE.start_main_~x~4_11 1) v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_7))) (< v_ULTIMATE.start_main_~x~4_10 100) (exists ((v_ULTIMATE.start_main_~x~4_9 Int) (v_ULTIMATE.start_main_~y~4_6 Int)) (and (<= 100 v_ULTIMATE.start_main_~x~4_9) (or (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (<= 50 v_ULTIMATE.start_main_~x~4_10) (= v_ULTIMATE.start_main_~y~4_6 (+ v_ULTIMATE.start_main_~y~4_7 1))) (and (= (+ v_ULTIMATE.start_main_~x~4_10 1) v_ULTIMATE.start_main_~x~4_9) (= v_ULTIMATE.start_main_~y~4_7 v_ULTIMATE.start_main_~y~4_6) (< v_ULTIMATE.start_main_~x~4_10 50))) (= (ite (= 100 v_ULTIMATE.start_main_~y~4_6) 1 0) 0))))) (or (and (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (= (+ v_ULTIMATE.start_main_~y~4_9 1) v_ULTIMATE.start_main_~y~4_8) (<= 50 v_ULTIMATE.start_main_~x~4_12)) (and (= v_ULTIMATE.start_main_~y~4_8 v_ULTIMATE.start_main_~y~4_9) (= (+ v_ULTIMATE.start_main_~x~4_12 1) v_ULTIMATE.start_main_~x~4_11) (< v_ULTIMATE.start_main_~x~4_12 50))))))) was unknown! [2018-07-25 13:58:54,182 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 13:58:54,184 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 13:58:54,188 INFO L168 Benchmark]: Toolchain (without parser) took 18149.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 964.4 MB in the end (delta: 486.2 MB). Peak memory consumption was 486.2 MB. Max. memory is 7.1 GB. [2018-07-25 13:58:54,190 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:54,191 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.85 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:54,191 INFO L168 Benchmark]: Boogie Preprocessor took 18.94 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 13:58:54,192 INFO L168 Benchmark]: RCFGBuilder took 365.65 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:58:54,194 INFO L168 Benchmark]: TraceAbstraction took 17720.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 964.4 MB in the end (delta: 465.1 MB). Peak memory consumption was 465.1 MB. Max. memory is 7.1 GB. [2018-07-25 13:58:54,198 INFO L336 ainManager$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 40.85 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 18.94 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 365.65 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 17720.25 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 964.4 MB in the end (delta: 465.1 MB). Peak memory consumption was 465.1 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/gj2007.c.i_4.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_13-58-54-211.csv Received shutdown request...