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/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:20,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:20,493 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:20,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-08-05 12:15:20,541 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:20,542 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:20,542 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:20,543 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:20,544 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:20,545 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:20,545 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:20,546 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:20,548 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 12:15:20,561 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:20,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:20,563 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:20,563 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:20,563 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:20,563 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:20,564 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:20,564 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:20,564 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:20,564 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:20,565 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:20,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:20,565 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:20,565 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:20,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:20,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:20,566 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:20,567 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:20,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:20,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:20,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:20,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:20,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:20,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:20,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:20,569 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:20,569 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:20,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:20,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:20,570 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:20,570 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:20,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:20,570 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:20,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:20,571 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:20,571 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:20,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:20,571 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:20,572 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:20,572 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:20,603 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:20,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:20,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:20,621 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:20,622 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:20,623 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl [2019-08-05 12:15:20,623 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_true-unreach-call2.i_4.bpl' [2019-08-05 12:15:20,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:20,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:20,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:20,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:20,674 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:20,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:20,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:20,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:20,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:20,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (1/1) ... [2019-08-05 12:15:20,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:20,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:20,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:20,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:20,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:20" (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 12:15:20,825 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:15:20,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:20,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:21,148 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:21,149 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:21,150 INFO L202 PluginConnector]: Adding new model diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:21 BoogieIcfgContainer [2019-08-05 12:15:21,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:21,152 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:21,152 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:21,153 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:21,154 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "diamond_true-unreach-call2.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:21" (1/1) ... [2019-08-05 12:15:21,186 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:21,699 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:21,733 INFO L272 AbstractInterpreter]: Visited 5 different actions 13 times. Merged at 3 different actions 5 times. Never widened. Performed 286 root evaluator evaluations with a maximum evaluation depth of 14. Performed 286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Found 1 fixpoints after 1 different actions. Largest state had 0 variables. [2019-08-05 12:15:21,734 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:21,739 INFO L168 Benchmark]: Toolchain (without parser) took 1064.92 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 104.1 MB in the beginning and 132.1 MB in the end (delta: -28.0 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:21,740 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:21,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.34 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 102.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:21,746 INFO L168 Benchmark]: Boogie Preprocessor took 30.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 100.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:21,747 INFO L168 Benchmark]: RCFGBuilder took 406.69 ms. Allocated memory is still 138.4 MB. Free memory was 100.7 MB in the beginning and 90.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:21,748 INFO L168 Benchmark]: Abstract Interpretation took 581.61 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 90.6 MB in the beginning and 132.1 MB in the end (delta: -41.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-05 12:15:21,755 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 138.4 MB. Free memory is still 105.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 38.34 ms. Allocated memory is still 138.4 MB. Free memory was 103.7 MB in the beginning and 102.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 30.70 ms. Allocated memory is still 138.4 MB. Free memory was 102.0 MB in the beginning and 100.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 406.69 ms. Allocated memory is still 138.4 MB. Free memory was 100.7 MB in the beginning and 90.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 581.61 ms. Allocated memory was 138.4 MB in the beginning and 179.8 MB in the end (delta: 41.4 MB). Free memory was 90.6 MB in the beginning and 132.1 MB in the end (delta: -41.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 55]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L13] havoc main_#res; [L14] havoc main_#t~nondet0, main_~y~0, main_#t~post1, main_~x~0; [L15] main_~x~0 := 0; [L16] main_~y~0 := main_#t~nondet0; [L17] havoc main_#t~nondet0; [L32] assume main_~x~0 % 4294967296 < 99; [L33] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L34] main_~x~0 := main_~x~0 + 2; [L35] assume (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L36] main_~x~0 := main_~x~0 + 2; [L37] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L38] main_~x~0 := main_~x~0 + 2; [L39] assume (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L40] main_~x~0 := main_~x~0 + 2; [L41] assume 0 == (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L42] main_~x~0 := main_~x~0 + 2; [L43] assume (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L44] main_~x~0 := main_~x~0 + 2; [L45] assume (if !(main_~y~0 % 2 == 0) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L46] main_~x~0 := main_~x~0 + 2; [L47] assume (if main_~y~0 % 4294967296 < 0 && !(main_~y~0 % 2 == 0) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L48] main_~x~0 := main_~x~0 + 2; [L49] assume (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L50] main_~x~0 := main_~x~0 + 2; [L51] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L52] main_~x~0 := main_~x~0 + 2; [L32] assume main_~x~0 % 4294967296 < 99; [L33] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L34] main_~x~0 := main_~x~0 + 2; [L35] assume (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L36] main_~x~0 := main_~x~0 + 2; [L37] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L38] main_~x~0 := main_~x~0 + 2; [L39] assume (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L40] main_~x~0 := main_~x~0 + 2; [L41] assume 0 == (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L42] main_~x~0 := main_~x~0 + 2; [L43] assume (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L44] main_~x~0 := main_~x~0 + 2; [L45] assume (if !(main_~y~0 % 2 == 0) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L46] main_~x~0 := main_~x~0 + 2; [L47] assume (if main_~y~0 % 4294967296 < 0 && !(main_~y~0 % 2 == 0) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L48] main_~x~0 := main_~x~0 + 2; [L49] assume (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == 0; [L50] main_~x~0 := main_~x~0 + 2; [L51] assume 0 == (if main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2) then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296; [L52] main_~x~0 := main_~x~0 + 2; [L24] assume !(main_~x~0 % 4294967296 < 99); [L25] assume ((!(0 == main_~x~0 % 2) && ((!((main_~x~0 % 2 + 4294967294) % 4294967296 == (main_~y~0 % 2 + 4294967294) % 4294967296) && ((((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && !((main_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2)) || (((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && (main_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2))) || ((main_~x~0 % 2 + 4294967294) % 4294967296 == (main_~y~0 % 2 + 4294967294) % 4294967296 && ((((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && !((main_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2)) || (((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && (main_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2))))) && main_~x~0 % 4294967296 < 0) || ((0 == main_~x~0 % 2 || !(main_~x~0 % 4294967296 < 0)) && ((main_~x~0 % 2 == (main_~y~0 % 2 + 4294967294) % 4294967296 && ((((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && !(main_~x~0 % 2 == main_~y~0 % 2)) || (main_~x~0 % 2 == main_~y~0 % 2 && ((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2)))) || (!(main_~x~0 % 2 == (main_~y~0 % 2 + 4294967294) % 4294967296) && ((((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2) && !(main_~x~0 % 2 == main_~y~0 % 2)) || (main_~x~0 % 2 == main_~y~0 % 2 && ((!(main_~y~0 % 4294967296 < 0) || (main_~y~0 % 4294967296 < 0 && !(0 == main_~y~0 % 2))) || 0 == main_~y~0 % 2)))))); [L26] __VERIFIER_assert_#in~cond := (if (if !(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0 then main_~y~0 % 2 + -2 else main_~y~0 % 2) % 4294967296 == (if main_~x~0 % 4294967296 < 0 && !(0 == main_~x~0 % 2) then main_~x~0 % 2 + -2 else main_~x~0 % 2) % 4294967296 then 1 else 0); [L27] havoc __VERIFIER_assert_~cond; [L28] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L29] assume 0 == __VERIFIER_assert_~cond; [L55] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...