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/20170304-DifficultPathPrograms/sum02.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 09:09:08,493 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 09:09:08,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 09:09:08,510 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 09:09:08,511 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 09:09:08,512 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 09:09:08,513 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 09:09:08,515 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 09:09:08,517 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 09:09:08,518 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 09:09:08,519 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 09:09:08,520 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 09:09:08,521 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 09:09:08,522 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 09:09:08,523 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 09:09:08,524 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 09:09:08,525 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 09:09:08,527 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 09:09:08,530 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 09:09:08,532 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 09:09:08,533 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 09:09:08,534 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 09:09:08,537 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 09:09:08,538 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 09:09:08,538 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 09:09:08,539 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 09:09:08,540 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 09:09:08,541 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 09:09:08,542 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 09:09:08,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 09:09:08,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 09:09:08,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 09:09:08,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 09:09:08,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 09:09:08,547 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 09:09:08,548 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 09:09:08,548 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 09:09:08,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 09:09:08,558 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 09:09:08,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 09:09:08,560 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 09:09:08,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 09:09:08,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:09:08,560 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 09:09:08,632 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 09:09:08,655 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 09:09:08,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 09:09:08,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 09:09:08,666 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 09:09:08,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum02.i_3.bpl [2018-09-26 09:09:08,667 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum02.i_3.bpl' [2018-09-26 09:09:08,747 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 09:09:08,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 09:09:08,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 09:09:08,757 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 09:09:08,757 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 09:09:08,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,801 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,811 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 09:09:08,812 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 09:09:08,812 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 09:09:08,813 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 09:09:08,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/1) ... [2018-09-26 09:09:08,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 09:09:08,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 09:09:08,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 09:09:08,844 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 09:09:08,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (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 09:09:08,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 09:09:08,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 09:09:09,185 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 09:09:09,186 INFO L202 PluginConnector]: Adding new model sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:09:09 BoogieIcfgContainer [2018-09-26 09:09:09,187 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 09:09:09,188 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 09:09:09,188 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 09:09:09,192 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 09:09:09,193 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 09:09:08" (1/2) ... [2018-09-26 09:09:09,194 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eafadea and model type sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 09:09:09, skipping insertion in model container [2018-09-26 09:09:09,194 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum02.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 09:09:09" (2/2) ... [2018-09-26 09:09:09,197 INFO L112 eAbstractionObserver]: Analyzing ICFG sum02.i_3.bpl [2018-09-26 09:09:09,209 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 09:09:09,219 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 09:09:09,273 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 09:09:09,274 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 09:09:09,275 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 09:09:09,275 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 09:09:09,275 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 09:09:09,275 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 09:09:09,275 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 09:09:09,276 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 09:09:09,276 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 09:09:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 09:09:09,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 09:09:09,302 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:09:09,303 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 09:09:09,304 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:09:09,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:09:09,311 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 [2018-09-26 09:09:09,331 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:09:09,582 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 09:09:09,895 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-09-26 09:09:10,429 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 09:09:10,430 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-09-26 09:09:10,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-26 09:09:10,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-26 09:09:10,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:09:10,447 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-09-26 09:09:22,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 09:09:22,566 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 09:09:22,581 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-26 09:09:22,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-09-26 09:09:22,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 09:09:22,595 INFO L225 Difference]: With dead ends: 10 [2018-09-26 09:09:22,596 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 09:09:22,600 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-09-26 09:09:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 09:09:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 09:09:22,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 09:09:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 09:09:22,637 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 09:09:22,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 09:09:22,639 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 09:09:22,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-26 09:09:22,640 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 09:09:22,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 09:09:22,640 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 09:09:22,641 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 09:09:22,641 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 09:09:22,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 09:09:22,642 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, 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 09:09:22,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 09:09:23,121 WARN L178 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2018-09-26 09:09:30,665 ERROR L410 Pdr]: Internal query 122#(not (and (< (mod ULTIMATE.start_main_~n~6 4294967296) (mod ULTIMATE.start_main_~i~6 4294967296)) (= 0 (ite (or (= (mod ULTIMATE.start_main_~sn~6 18446744073709551616) 0) (= (mod ULTIMATE.start_main_~sn~6 18446744073709551616) (mod (ite (and (not (= 0 (mod (* (mod ULTIMATE.start_main_~n~6 4294967296) (+ (mod ULTIMATE.start_main_~n~6 4294967296) 1)) 2))) (< (mod (* (mod ULTIMATE.start_main_~n~6 4294967296) (+ (mod ULTIMATE.start_main_~n~6 4294967296) 1)) 18446744073709551616) 0)) (+ (div (mod (* (mod ULTIMATE.start_main_~n~6 4294967296) (+ (mod ULTIMATE.start_main_~n~6 4294967296) 1)) 18446744073709551616) 2) 1) (div (mod (* (mod ULTIMATE.start_main_~n~6 4294967296) (+ (mod ULTIMATE.start_main_~n~6 4294967296) 1)) 18446744073709551616) 2)) 18446744073709551616))) 1 0)))) && assume !(main_~i~6 % 4294967296 <= main_~n~6 % 4294967296);main_~nl~6 := main_~n~6 % 4294967296;main_~gauss~6 := (if main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 < 0 && main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 % 2 != 0 then main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 / 2 + 1 else main_~nl~6 * (main_~nl~6 + 1) % 18446744073709551616 / 2);__VERIFIER_assert_#in~cond := (if main_~sn~6 % 18446744073709551616 == main_~gauss~6 % 18446744073709551616 || main_~sn~6 % 18446744073709551616 == 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond;assume __VERIFIER_assert_~cond == 0;assume !false; && 113#true was unknown! [2018-09-26 09:09:30,867 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 09:09:30,868 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-26 09:09:30,873 INFO L168 Benchmark]: Toolchain (without parser) took 22125.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-26 09:09:30,875 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:09:30,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:09:30,876 INFO L168 Benchmark]: Boogie Preprocessor took 25.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 09:09:30,877 INFO L168 Benchmark]: RCFGBuilder took 342.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 09:09:30,878 INFO L168 Benchmark]: TraceAbstraction took 21684.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-26 09:09:30,888 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 55.51 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 342.82 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 21684.21 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 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/sum02.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_09-09-30-901.csv Received shutdown request...