java -ea -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_oct_cong.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.24-1377b90 [2019-01-07 15:19:52,862 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-07 15:19:52,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-07 15:19:52,877 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-07 15:19:52,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-07 15:19:52,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-07 15:19:52,880 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-07 15:19:52,882 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-07 15:19:52,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-07 15:19:52,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-07 15:19:52,886 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-01-07 15:19:52,903 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-07 15:19:52,903 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-07 15:19:52,904 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-07 15:19:52,905 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-07 15:19:52,906 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-07 15:19:52,907 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-07 15:19:52,909 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-07 15:19:52,909 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-07 15:19:52,910 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2019-01-07 15:19:52,913 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/array-bench/reach_32bit_compound_oct_cong.epf [2019-01-07 15:19:52,926 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-07 15:19:52,926 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-07 15:19:52,927 INFO L131 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2019-01-07 15:19:52,927 INFO L133 SettingsManager]: * Show backtranslation warnings=false [2019-01-07 15:19:52,928 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-01-07 15:19:52,928 INFO L133 SettingsManager]: * User list type=DISABLED [2019-01-07 15:19:52,928 INFO L133 SettingsManager]: * Inline calls to unimplemented procedures=true [2019-01-07 15:19:52,928 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-01-07 15:19:52,929 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-01-07 15:19:52,929 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2019-01-07 15:19:52,929 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-01-07 15:19:52,929 INFO L133 SettingsManager]: * Interval Domain=false [2019-01-07 15:19:52,930 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-07 15:19:52,930 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-07 15:19:52,930 INFO L133 SettingsManager]: * Use SBE=true [2019-01-07 15:19:52,931 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-07 15:19:52,931 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-07 15:19:52,931 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-07 15:19:52,931 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-07 15:19:52,931 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-07 15:19:52,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-01-07 15:19:52,932 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-07 15:19:52,932 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-01-07 15:19:52,932 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-07 15:19:52,932 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2019-01-07 15:19:52,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-01-07 15:19:52,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-07 15:19:52,933 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-07 15:19:52,933 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-07 15:19:52,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-07 15:19:52,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-07 15:19:52,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-07 15:19:52,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-01-07 15:19:52,934 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-01-07 15:19:52,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-07 15:19:52,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-01-07 15:19:52,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-01-07 15:19:52,935 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-01-07 15:19:52,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-07 15:19:52,990 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-07 15:19:52,996 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-07 15:19:52,998 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2019-01-07 15:19:52,998 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2019-01-07 15:19:53,000 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl [2019-01-07 15:19:53,000 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/array4.i_4.bpl' [2019-01-07 15:19:53,065 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-07 15:19:53,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-01-07 15:19:53,069 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:53,069 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-01-07 15:19:53,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2019-01-07 15:19:53,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-01-07 15:19:53,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-07 15:19:53,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-07 15:19:53,114 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-07 15:19:53,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,127 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-07 15:19:53,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-07 15:19:53,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-07 15:19:53,137 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-07 15:19:53,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.01 03:19:53" (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 [2019-01-07 15:19:53,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-07 15:19:53,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-07 15:19:53,584 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-07 15:19:53,585 INFO L286 CfgBuilder]: Removed 2 assue(true) statements. [2019-01-07 15:19:53,586 INFO L202 PluginConnector]: Adding new model array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:53 BoogieIcfgContainer [2019-01-07 15:19:53,586 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-07 15:19:53,589 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-01-07 15:19:53,589 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-01-07 15:19:53,590 INFO L276 PluginConnector]: Abstract Interpretation initialized [2019-01-07 15:19:53,594 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "array4.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.01 03:19:53" (1/1) ... [2019-01-07 15:19:53,681 INFO L101 FixpointEngine]: Starting fixpoint engine with domain CompoundDomain (maxUnwinding=3, maxParallelStates=2) [2019-01-07 15:19:54,685 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-01-07 15:19:54,712 INFO L272 AbstractInterpreter]: Visited 7 different actions 55 times. Merged at 4 different actions 28 times. Widened at 2 different actions 12 times. Performed 334 root evaluator evaluations with a maximum evaluation depth of 3. Performed 334 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 0 variables. [2019-01-07 15:19:54,714 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-01-07 15:19:54,716 INFO L168 Benchmark]: Toolchain (without parser) took 1650.04 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: 52.9 MB). Peak memory consumption was 52.9 MB. Max. memory is 7.1 GB. [2019-01-07 15:19:54,718 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.28 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. [2019-01-07 15:19:54,719 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.00 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. [2019-01-07 15:19:54,720 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 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. [2019-01-07 15:19:54,721 INFO L168 Benchmark]: RCFGBuilder took 450.20 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. [2019-01-07 15:19:54,722 INFO L168 Benchmark]: Abstract Interpretation took 1125.16 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. [2019-01-07 15:19:54,727 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - GenericResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.28 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 44.00 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 22.31 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 450.20 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. * Abstract Interpretation took 1125.16 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: 31.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 57]: Unable to prove that assertion always holds Unable to prove that assertion always holds Reason: abstract domain could reach this error location. Possible FailurePath: [L12] havoc main_#res; [L13] havoc main_#t~nondet1, main_#t~post0, main_#t~post2, main_~A~5, main_~i~5; [L14] havoc main_~A~5; [L15] havoc main_~i~5; [L16] main_~i~5 := 0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L29] assume !!(main_~i~5 < 1023); [L30] assume -2147483648 <= main_#t~nondet1 && main_#t~nondet1 <= 2147483647; [L31] main_~A~5 := main_~A~5[main_~i~5 := main_#t~nondet1]; [L32] havoc main_#t~nondet1; [L33] main_#t~post0 := main_~i~5; [L34] main_~i~5 := main_#t~post0 + 1; [L35] havoc main_#t~post0; [L24] assume !(main_~i~5 < 1023); [L25] main_~A~5 := main_~A~5[1023 := 0]; [L26] main_~i~5 := 0; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L51] assume !!(main_~A~5[main_~i~5] != 0); [L52] main_#t~post2 := main_~i~5; [L53] main_~i~5 := main_#t~post2 + 1; [L54] havoc main_#t~post2; [L43] assume !(main_~A~5[main_~i~5] != 0); [L44] __VERIFIER_assert_#in~cond := (if main_~i~5 <= 1024 then 1 else 0); [L45] havoc __VERIFIER_assert_~cond; [L46] __VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; [L47] assume __VERIFIER_assert_~cond == 0; [L48] assume !false; [L57] assert false; RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...