java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationInline.xml -s ../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:16:22,577 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:16:22,579 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:16:22,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:16:22,592 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:16:22,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:16:22,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:16:22,596 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:16:22,598 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:16:22,599 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:16:22,600 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:16:22,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:16:22,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:16:22,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:16:22,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:16:22,604 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:16:22,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:16:22,606 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:16:22,608 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:16:22,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:16:22,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:16:22,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:16:22,614 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:16:22,615 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:16:22,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-05 12:16:22,618 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-05 12:16:22,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-05 12:16:22,619 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-05 12:16:22,620 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-05 12:16:22,621 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-05 12:16:22,621 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:16:22,622 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:16:22,623 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:16:22,624 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:16:22,625 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:16:22,625 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:16:22,626 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:16:22,626 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-05 12:16:22,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-05 12:16:22,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-05 12:16:22,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-05 12:16:22,629 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_exp_cong.epf [2019-08-05 12:16:22,642 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:16:22,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:16:22,643 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:16:22,643 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:16:22,643 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:16:22,644 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:16:22,644 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:16:22,644 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:16:22,644 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:16:22,644 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:16:22,645 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:16:22,645 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:16:22,645 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:16:22,645 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:16:22,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:16:22,646 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:16:22,646 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:16:22,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:16:22,647 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:16:22,647 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:16:22,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:16:22,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:16:22,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:16:22,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:16:22,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:16:22,648 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:16:22,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:16:22,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:16:22,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:16:22,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:16:22,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:16:22,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:22,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:16:22,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:16:22,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:16:22,650 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:16:22,651 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:16:22,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:16:22,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:16:22,651 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:16:22,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:16:22,696 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:16:22,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:16:22,704 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:16:22,704 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:16:22,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2019-08-05 12:16:22,705 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2019-08-05 12:16:22,736 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:16:22,737 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:16:22,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:22,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:16:22,738 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:16:22,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:16:22,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:16:22,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:16:22,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:16:22,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,792 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (1/1) ... [2019-08-05 12:16:22,793 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:16:22,794 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:16:22,794 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:16:22,794 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:16:22,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:16:22" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:16:22,866 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:16:22,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:16:22,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:16:23,107 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:16:23,108 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:16:23,109 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:23 BoogieIcfgContainer [2019-08-05 12:16:23,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:16:23,110 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:16:23,110 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:16:23,111 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:16:23,111 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:16:23" (1/1) ... [2019-08-05 12:16:23,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:16:23,263 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:16:23,284 INFO L272 AbstractInterpreter]: Visited 7 different actions 21 times. Merged at 5 different actions 8 times. Never widened. Performed 122 root evaluator evaluations with a maximum evaluation depth of 3. Performed 122 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 0 variables. [2019-08-05 12:16:23,284 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:16:23,287 INFO L168 Benchmark]: Toolchain (without parser) took 549.00 ms. Allocated memory is still 134.2 MB. Free memory was 105.9 MB in the beginning and 86.3 MB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,289 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,290 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 134.2 MB. Free memory was 105.7 MB in the beginning and 104.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,292 INFO L168 Benchmark]: Boogie Preprocessor took 20.95 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,293 INFO L168 Benchmark]: RCFGBuilder took 315.91 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 93.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,294 INFO L168 Benchmark]: Abstract Interpretation took 174.18 ms. Allocated memory is still 134.2 MB. Free memory was 93.6 MB in the beginning and 86.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:16:23,300 INFO L335 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 134.2 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 134.2 MB. Free memory was 105.7 MB in the beginning and 104.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 20.95 ms. Allocated memory is still 134.2 MB. Free memory was 104.2 MB in the beginning and 102.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 315.91 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 93.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 174.18 ms. Allocated memory is still 134.2 MB. Free memory was 93.6 MB in the beginning and 86.3 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 54]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L14] havoc main_#res; [L15] havoc main_#t~post2, main_~x~4, main_#t~post1, main_#t~post0, main_~y~4; [L16] havoc main_~x~4; [L17] havoc main_~y~4; [L18] main_~x~4 := 0; [L19] main_~y~4 := 0; [L32] assume main_~x~4 < 50; [L33] main_#t~post0 := main_~y~4; [L34] main_~y~4 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L48] assume !(main_~y~4 < 0); [L49] main_#t~post2 := main_~x~4; [L50] main_~x~4 := main_#t~post2 + 1; [L51] havoc main_#t~post2; [L32] assume main_~x~4 < 50; [L33] main_#t~post0 := main_~y~4; [L34] main_~y~4 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L48] assume !(main_~y~4 < 0); [L49] main_#t~post2 := main_~x~4; [L50] main_~x~4 := main_#t~post2 + 1; [L51] havoc main_#t~post2; [L26] assume !(main_~x~4 < 50); [L27] main_#t~post1 := main_~y~4; [L28] main_~y~4 := main_#t~post1 - 1; [L29] havoc main_#t~post1; [L40] assume main_~y~4 < 0; [L41] assume !(main_~x~4 == 100); [L42] __VERIFIER_assert_#in~cond := 0; [L43] havoc __VERIFIER_assert_~cond; [L44] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L45] assume __VERIFIER_assert_~cond == 0; [L54] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...