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_false-unreach-call1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-b8c145f [2019-08-05 12:15:18,642 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-05 12:15:18,644 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-05 12:15:18,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-05 12:15:18,659 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-05 12:15:18,660 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-05 12:15:18,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-05 12:15:18,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-05 12:15:18,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-05 12:15:18,665 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-05 12:15:18,666 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-05 12:15:18,668 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-05 12:15:18,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-05 12:15:18,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-05 12:15:18,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-05 12:15:18,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-05 12:15:18,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-05 12:15:18,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-05 12:15:18,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-05 12:15:18,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-05 12:15:18,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-05 12:15:18,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-05 12:15:18,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-05 12:15:18,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-05 12:15:18,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-05 12:15:18,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-05 12:15:18,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-05 12:15:18,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-05 12:15:18,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-05 12:15:18,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-05 12:15:18,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-05 12:15:18,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-05 12:15:18,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-08-05 12:15:18,704 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 12:15:18,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-05 12:15:18,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-05 12:15:18,717 INFO L136 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-08-05 12:15:18,718 INFO L138 SettingsManager]: * Show backtranslation warnings=false [2019-08-05 12:15:18,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-08-05 12:15:18,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-08-05 12:15:18,718 INFO L138 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-08-05 12:15:18,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-08-05 12:15:18,719 INFO L138 SettingsManager]: * Explicit value domain=true [2019-08-05 12:15:18,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-08-05 12:15:18,719 INFO L138 SettingsManager]: * Octagon Domain=false [2019-08-05 12:15:18,719 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-08-05 12:15:18,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-08-05 12:15:18,720 INFO L138 SettingsManager]: * Interval Domain=false [2019-08-05 12:15:18,720 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-05 12:15:18,721 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-05 12:15:18,721 INFO L138 SettingsManager]: * Use SBE=true [2019-08-05 12:15:18,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-05 12:15:18,721 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-05 12:15:18,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-05 12:15:18,722 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-05 12:15:18,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-05 12:15:18,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-05 12:15:18,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-05 12:15:18,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-05 12:15:18,723 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-05 12:15:18,723 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-05 12:15:18,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-05 12:15:18,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-05 12:15:18,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-05 12:15:18,724 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-05 12:15:18,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-05 12:15:18,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-05 12:15:18,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-05 12:15:18,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-05 12:15:18,725 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-08-05 12:15:18,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-05 12:15:18,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-05 12:15:18,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-05 12:15:18,725 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-08-05 12:15:18,758 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-05 12:15:18,770 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-05 12:15:18,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-05 12:15:18,775 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-08-05 12:15:18,776 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2019-08-05 12:15:18,777 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_false-unreach-call1.i_4.bpl [2019-08-05 12:15:18,777 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20181015-LoopsPathprograms/diamond_false-unreach-call1.i_4.bpl' [2019-08-05 12:15:18,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-05 12:15:18,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-05 12:15:18,823 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:18,824 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-08-05 12:15:18,824 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-08-05 12:15:18,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,852 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-08-05 12:15:18,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-05 12:15:18,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-05 12:15:18,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (1/1) ... [2019-08-05 12:15:18,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-05 12:15:18,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-05 12:15:18,909 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-05 12:15:18,909 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-05 12:15:18,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 05.08 12:15:18" (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 12:15:18,988 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2019-08-05 12:15:18,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-05 12:15:18,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-05 12:15:19,237 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-05 12:15:19,237 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-05 12:15:19,238 INFO L202 PluginConnector]: Adding new model diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:19 BoogieIcfgContainer [2019-08-05 12:15:19,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-05 12:15:19,239 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-08-05 12:15:19,239 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-08-05 12:15:19,240 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-08-05 12:15:19,241 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "diamond_false-unreach-call1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.08 12:15:19" (1/1) ... [2019-08-05 12:15:19,268 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-08-05 12:15:19,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-08-05 12:15:19,595 INFO L272 AbstractInterpreter]: Visited 5 different actions 11 times. Merged at 1 different actions 3 times. Never widened. Performed 78 root evaluator evaluations with a maximum evaluation depth of 12. Performed 78 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-08-05 12:15:19,595 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-08-05 12:15:19,599 INFO L168 Benchmark]: Toolchain (without parser) took 774.49 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 67.7 MB in the end (delta: 36.5 MB). Peak memory consumption was 36.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,600 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.87 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 102.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,603 INFO L168 Benchmark]: Boogie Preprocessor took 46.54 ms. Allocated memory is still 139.5 MB. Free memory was 102.5 MB in the beginning and 101.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,604 INFO L168 Benchmark]: RCFGBuilder took 329.97 ms. Allocated memory is still 139.5 MB. Free memory was 101.2 MB in the beginning and 91.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,605 INFO L168 Benchmark]: Abstract Interpretation took 355.99 ms. Allocated memory is still 139.5 MB. Free memory was 91.2 MB in the beginning and 67.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-08-05 12:15:19,610 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 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 37.87 ms. Allocated memory is still 139.5 MB. Free memory was 104.0 MB in the beginning and 102.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.54 ms. Allocated memory is still 139.5 MB. Free memory was 102.5 MB in the beginning and 101.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 329.97 ms. Allocated memory is still 139.5 MB. Free memory was 101.2 MB in the beginning and 91.2 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 355.99 ms. Allocated memory is still 139.5 MB. Free memory was 91.2 MB in the beginning and 67.7 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 39]: 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_#t~post1 := main_~x~0; [L35] main_~x~0 := main_#t~post1 + 1; [L36] havoc main_#t~post1; [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_#t~post1 := main_~x~0; [L35] main_~x~0 := main_#t~post1 + 1; [L36] havoc main_#t~post1; [L24] assume !(main_~x~0 % 4294967296 < 99); [L25] assume ((0 == main_~x~0 % 2 || !(main_~x~0 % 4294967296 < 0)) && ((!((main_~y~0 % 2 + 4294967294) % 4294967296 == main_~x~0 % 2) && ((!(main_~y~0 % 2 == main_~x~0 % 2) && (((!(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 0 == main_~y~0 % 2)) || (main_~y~0 % 2 == main_~x~0 % 2 && (((!(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 0 == main_~y~0 % 2)))) || ((main_~y~0 % 2 + 4294967294) % 4294967296 == main_~x~0 % 2 && ((!(main_~y~0 % 2 == main_~x~0 % 2) && (((!(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 0 == main_~y~0 % 2)) || (main_~y~0 % 2 == main_~x~0 % 2 && (((!(0 == main_~y~0 % 2) && main_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 0 == main_~y~0 % 2)))))) || (((((((main_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2 && (((!(0 == 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_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 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_~x~0 % 2 + 4294967294) % 4294967296 == main_~y~0 % 2 && (((!(0 == 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_~y~0 % 4294967296 < 0) || !(main_~y~0 % 4294967296 < 0)) || 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_~x~0 % 4294967296 < 0) && !(0 == main_~x~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; [L39] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...