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/jain_2.i_2.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ff8eab6 [2018-09-26 08:50:51,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 08:50:51,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 08:50:51,962 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 08:50:51,963 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 08:50:51,964 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 08:50:51,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 08:50:51,970 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 08:50:51,972 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 08:50:51,973 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 08:50:51,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 08:50:51,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 08:50:51,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 08:50:51,976 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 08:50:51,978 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 08:50:51,978 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 08:50:51,979 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 08:50:51,981 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 08:50:51,983 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 08:50:51,985 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 08:50:51,986 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 08:50:51,987 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 08:50:51,989 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 08:50:51,990 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 08:50:51,990 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 08:50:51,991 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 08:50:51,992 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 08:50:51,993 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 08:50:51,994 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 08:50:51,995 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 08:50:51,995 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 08:50:51,996 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 08:50:51,996 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 08:50:51,996 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 08:50:51,997 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 08:50:51,999 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 08:50:51,999 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 08:50:52,007 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 08:50:52,008 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 08:50:52,009 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 08:50:52,009 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-09-26 08:50:52,009 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 08:50:52,010 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:50:52,010 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 08:50:52,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 08:50:52,095 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 08:50:52,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 08:50:52,102 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 08:50:52,102 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 08:50:52,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_2.i_2.bpl [2018-09-26 08:50:52,103 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/jain_2.i_2.bpl' [2018-09-26 08:50:52,150 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 08:50:52,153 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 08:50:52,154 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:52,154 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 08:50:52,155 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 08:50:52,175 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,187 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,194 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 08:50:52,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 08:50:52,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 08:50:52,195 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 08:50:52,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/1) ... [2018-09-26 08:50:52,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 08:50:52,215 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 08:50:52,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 08:50:52,215 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 08:50:52,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (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 08:50:52,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 08:50:52,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 08:50:52,542 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 08:50:52,543 INFO L202 PluginConnector]: Adding new model jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:52 BoogieIcfgContainer [2018-09-26 08:50:52,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 08:50:52,544 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-26 08:50:52,544 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-26 08:50:52,548 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-26 08:50:52,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 08:50:52" (1/2) ... [2018-09-26 08:50:52,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e8692 and model type jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.09 08:50:52, skipping insertion in model container [2018-09-26 08:50:52,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_2.i_2.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 08:50:52" (2/2) ... [2018-09-26 08:50:52,552 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_2.i_2.bpl [2018-09-26 08:50:52,562 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-09-26 08:50:52,570 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-26 08:50:52,619 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-09-26 08:50:52,620 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-26 08:50:52,620 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-26 08:50:52,620 INFO L383 AbstractCegarLoop]: Compute interpolants for PDR [2018-09-26 08:50:52,620 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-26 08:50:52,620 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-26 08:50:52,621 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-26 08:50:52,621 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-26 08:50:52,621 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-26 08:50:52,636 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-09-26 08:50:52,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 08:50:52,645 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:50:52,646 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-09-26 08:50:52,647 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:50:52,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:50:52,654 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, 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 08:50:52,678 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:50:53,094 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-26 08:50:53,095 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-26 08:50:53,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-09-26 08:50:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-09-26 08:50:53,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:50:53,109 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-09-26 08:51:06,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-26 08:51:06,124 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-09-26 08:51:06,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-09-26 08:51:06,126 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-09-26 08:51:06,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-26 08:51:06,137 INFO L225 Difference]: With dead ends: 10 [2018-09-26 08:51:06,137 INFO L226 Difference]: Without dead ends: 7 [2018-09-26 08:51:06,141 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-09-26 08:51:06,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-09-26 08:51:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-09-26 08:51:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-09-26 08:51:06,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-26 08:51:06,178 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-09-26 08:51:06,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-26 08:51:06,178 INFO L480 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-09-26 08:51:06,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-09-26 08:51:06,179 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-26 08:51:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 08:51:06,179 INFO L367 BasicCegarLoop]: Found error trace [2018-09-26 08:51:06,179 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-09-26 08:51:06,180 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-09-26 08:51:06,180 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 08:51:06,181 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, 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 08:51:06,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-09-26 08:51:18,722 ERROR L410 Pdr]: Internal query 139#(not (= 0 (ite (not (= (mod (+ (* 2 |ULTIMATE.start_main_#t~nondet0|) (* 2 |ULTIMATE.start_main_#t~nondet1|) ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5) 4294967296) 1)) 1 0))) && assume true;assume !false;main_~x~5 := main_~x~5 + 2 * main_#t~nondet0;havoc main_#t~nondet0;main_~y~5 := main_~y~5 + 2 * main_#t~nondet1;havoc main_#t~nondet1;__VERIFIER_assert_#in~cond := (if (main_~x~5 + main_~y~5) % 4294967296 != 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; && 122#(= 0 ULTIMATE.start___VERIFIER_assert_~cond) was unknown! [2018-09-26 08:51:18,924 WARN L521 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-09-26 08:51:18,926 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-26 08:51:18,931 INFO L168 Benchmark]: Toolchain (without parser) took 26779.53 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 7.1 GB. [2018-09-26 08:51:18,934 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:51:18,935 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.81 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:51:18,936 INFO L168 Benchmark]: Boogie Preprocessor took 19.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 08:51:18,937 INFO L168 Benchmark]: RCFGBuilder took 328.68 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 08:51:18,938 INFO L168 Benchmark]: TraceAbstraction took 26385.45 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-09-26 08:51:18,946 INFO L336 ainManager$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 39.81 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 19.58 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 328.68 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 26385.45 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/jain_2.i_2.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-09-26_08-51-18-968.csv Received shutdown request...