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/sum03.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-e6fd87c [2018-07-25 14:17:10,674 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-25 14:17:10,678 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-25 14:17:10,701 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-25 14:17:10,702 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-25 14:17:10,704 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-25 14:17:10,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-25 14:17:10,710 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-25 14:17:10,713 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-25 14:17:10,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-25 14:17:10,724 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-25 14:17:10,724 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-25 14:17:10,725 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-25 14:17:10,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-25 14:17:10,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-25 14:17:10,731 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-25 14:17:10,732 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-25 14:17:10,744 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-25 14:17:10,750 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-25 14:17:10,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-25 14:17:10,759 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-25 14:17:10,761 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-25 14:17:10,764 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-25 14:17:10,764 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-25 14:17:10,764 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-25 14:17:10,765 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-25 14:17:10,766 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-25 14:17:10,767 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-25 14:17:10,773 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-25 14:17:10,774 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-25 14:17:10,774 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-25 14:17:10,777 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-25 14:17:10,777 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-25 14:17:10,777 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-25 14:17:10,779 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-25 14:17:10,782 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-25 14:17:10,782 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 14:17:10,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-25 14:17:10,801 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-25 14:17:10,803 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-25 14:17:10,803 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=PDR [2018-07-25 14:17:10,803 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-07-25 14:17:10,803 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:17:10,803 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-25 14:17:10,860 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-25 14:17:10,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-25 14:17:10,887 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-25 14:17:10,888 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-25 14:17:10,889 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-25 14:17:10,889 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum03.i_3.bpl [2018-07-25 14:17:10,890 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/sum03.i_3.bpl' [2018-07-25 14:17:10,940 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-25 14:17:10,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-07-25 14:17:10,942 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-07-25 14:17:10,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-07-25 14:17:10,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-07-25 14:17:10,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:10,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:10,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-07-25 14:17:10,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-25 14:17:10,986 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-25 14:17:10,986 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-25 14:17:10,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:10,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:10,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:10,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:11,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:11,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:11,006 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/1) ... [2018-07-25 14:17:11,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-25 14:17:11,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-25 14:17:11,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-25 14:17:11,009 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-25 14:17:11,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (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 14:17:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-25 14:17:11,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-25 14:17:11,547 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-25 14:17:11,548 INFO L202 PluginConnector]: Adding new model sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:17:11 BoogieIcfgContainer [2018-07-25 14:17:11,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-25 14:17:11,550 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-25 14:17:11,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-25 14:17:11,558 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-25 14:17:11,559 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 25.07 02:17:10" (1/2) ... [2018-07-25 14:17:11,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbd63c and model type sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.07 02:17:11, skipping insertion in model container [2018-07-25 14:17:11,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum03.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.07 02:17:11" (2/2) ... [2018-07-25 14:17:11,567 INFO L112 eAbstractionObserver]: Analyzing ICFG sum03.i_3.bpl [2018-07-25 14:17:11,590 INFO L133 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:PDR Determinization: PREDICATE_ABSTRACTION [2018-07-25 14:17:11,616 INFO L145 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-25 14:17:11,729 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-25 14:17:11,730 INFO L374 AbstractCegarLoop]: Interprodecural is true [2018-07-25 14:17:11,731 INFO L375 AbstractCegarLoop]: Hoare is true [2018-07-25 14:17:11,731 INFO L376 AbstractCegarLoop]: Compute interpolants for PDR [2018-07-25 14:17:11,731 INFO L377 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-07-25 14:17:11,731 INFO L378 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-25 14:17:11,732 INFO L379 AbstractCegarLoop]: Difference is false [2018-07-25 14:17:11,732 INFO L380 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-25 14:17:11,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-25 14:17:11,752 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-25 14:17:11,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-25 14:17:11,762 INFO L346 BasicCegarLoop]: Found error trace [2018-07-25 14:17:11,763 INFO L354 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-25 14:17:11,765 INFO L415 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2018-07-25 14:17:11,778 INFO L82 PathProgramCache]: Analyzing trace with hash 947037, 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 14:17:11,829 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-25 14:17:24,655 ERROR L403 Pdr]: Internal query 35#(not (exists ((v_ULTIMATE.start_main_~sn~5_14 Int)) (and (= 0 (ite (or (= (mod (+ (* 2 ULTIMATE.start_main_~x~5) 2) 4294967296) (mod v_ULTIMATE.start_main_~sn~5_14 4294967296)) (= v_ULTIMATE.start_main_~sn~5_14 0)) 1 0)) (or (and (< (mod ULTIMATE.start_main_~x~5 4294967296) 10) (= v_ULTIMATE.start_main_~sn~5_14 (+ ULTIMATE.start_main_~sn~5 2))) (and (<= 10 (mod ULTIMATE.start_main_~x~5 4294967296)) (= ULTIMATE.start_main_~sn~5 v_ULTIMATE.start_main_~sn~5_14)))))) && assume true;assume !false;BeginParallelComposition{ParallelCodeBlock0: assume main_~x~5 % 4294967296 < 10;main_~sn~5 := main_~sn~5 + 2;ParallelCodeBlock1: assume !(main_~x~5 % 4294967296 < 10);}EndParallelCompositionmain_#t~post2 := main_~x~5;main_~x~5 := main_#t~post2 + 1;havoc main_#t~post2;__VERIFIER_assert_#in~cond := (if main_~sn~5 % 4294967296 == main_~x~5 * 2 % 4294967296 || main_~sn~5 == 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; && 18#(= 0 ULTIMATE.start___VERIFIER_assert_~cond) was unknown! [2018-07-25 14:17:24,857 WARN L513 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in [2018-07-25 14:17:24,859 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$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-07-25 14:17:24,864 INFO L168 Benchmark]: Toolchain (without parser) took 13923.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2018-07-25 14:17:24,866 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:17:24,867 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.56 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:17:24,868 INFO L168 Benchmark]: Boogie Preprocessor took 22.90 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-25 14:17:24,869 INFO L168 Benchmark]: RCFGBuilder took 540.17 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-07-25 14:17:24,870 INFO L168 Benchmark]: TraceAbstraction took 13312.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 7.1 GB. [2018-07-25 14:17:24,875 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.56 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 22.90 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 540.17 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 13312.49 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: 34.4 MB). Peak memory consumption was 34.4 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/sum03.i_3.bpl_AutomizerBpl-pdr-z3.epf_AutomizerBplInline.xml/Csv-Benchmark-0-2018-07-25_14-17-24-891.csv Received shutdown request...