/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaCInline.xml -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:06,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:06,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:06,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:06,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:06,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:06,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:06,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:06,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:06,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:06,787 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:06,794 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:06,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:06,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:06,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:06,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:06,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:06,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:06,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:06,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:06,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:06,814 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:06,815 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:06,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:06,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:15:06,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:06,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:06,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:06,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:06,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:06,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:06,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:06,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:06,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:06,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:06,839 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:06,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:15:06,873 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:06,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:06,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:06,878 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:06,878 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:06,878 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:06,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:06,879 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:06,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:06,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:06,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:06,880 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:06,882 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:06,882 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:06,882 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:06,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:06,883 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:06,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:06,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:06,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:06,884 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:06,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:06,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:06,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:06,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:06,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:06,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:06,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:06,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:06,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:06,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:06,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:06,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:06,890 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:06,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:06,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:06,891 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:06,891 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:07,187 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:07,200 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:07,203 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:07,205 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:07,205 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:07,206 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2019-11-24 10:15:07,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161938843/80db3382531f4d4e8bb3b0898979731a/FLAGd091fddfd [2019-11-24 10:15:07,868 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:07,869 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label27.c [2019-11-24 10:15:07,880 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161938843/80db3382531f4d4e8bb3b0898979731a/FLAGd091fddfd [2019-11-24 10:15:08,132 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/161938843/80db3382531f4d4e8bb3b0898979731a [2019-11-24 10:15:08,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:08,144 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:08,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:08,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:08,150 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:08,151 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343ae23d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08, skipping insertion in model container [2019-11-24 10:15:08,154 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:08,205 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:08,774 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:08,783 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:08,880 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:08,895 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:08,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08 WrapperNode [2019-11-24 10:15:08,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:08,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:08,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:08,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:08,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,923 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,979 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:08,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:08,979 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:08,979 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:08,991 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,991 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:08,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:09,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:09,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:09,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (1/1) ... [2019-11-24 10:15:09,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:09,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:09,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:09,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:09,047 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:08" (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 [2019-11-24 10:15:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:09,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:11,213 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:11,214 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:11,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:11 BoogieIcfgContainer [2019-11-24 10:15:11,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:11,216 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:11,216 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:11,216 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:11,217 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:11" (1/1) ... [2019-11-24 10:15:11,218 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:15:11,244 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:11,244 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:11,253 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:11,260 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:11,262 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:15:11,680 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:15:14,434 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:15:23,238 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:15:23,285 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:15:23,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:15:27,420 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:28,011 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:15:28,122 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:15:28,230 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:28,345 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:28,460 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:28,563 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:15:28,672 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:15:28,783 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:15:28,896 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:29,019 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:29,125 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:29,232 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:29,352 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:15:29,464 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2019-11-24 10:15:29,571 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:29,693 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:29,810 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:29,927 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:15:30,048 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:30,167 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:30,286 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:30,419 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:30,544 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:30,668 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:30,816 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:30,945 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:31,075 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:31,216 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:31,351 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:31,485 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:31,630 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:31,769 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:31,903 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:32,050 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:32,189 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:32,327 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:32,474 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:32,621 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:32,765 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:32,925 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2019-11-24 10:15:33,076 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 176 [2019-11-24 10:15:33,227 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:33,381 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-11-24 10:15:33,546 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2019-11-24 10:15:33,695 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:33,860 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:34,022 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:34,194 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:34,352 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-24 10:15:34,522 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 176 [2019-11-24 10:15:34,676 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:34,842 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:15:35,004 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:15:35,158 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:35,318 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:15:35,487 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:15:35,648 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:35,813 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:35,978 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:36,143 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:36,147 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:36,164 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:40,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 10:15:40,973 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 10:15:41,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 10:15:45,912 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:15:46,228 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,334 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,440 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,548 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,654 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,761 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:46,880 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:15:46,996 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:15:47,103 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:47,222 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:47,333 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:47,443 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:15:47,570 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:47,686 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:47,801 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:15:47,926 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2019-11-24 10:15:48,057 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 172 [2019-11-24 10:15:48,179 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:15:48,313 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:48,438 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:48,562 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:15:48,693 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2019-11-24 10:15:48,826 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 173 [2019-11-24 10:15:48,962 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:49,099 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:49,229 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:49,363 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:15:49,500 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:49,635 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:49,770 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:15:49,921 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:50,068 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:50,208 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:15:50,357 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:15:50,503 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-11-24 10:15:50,649 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:50,805 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:15:50,955 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 176 [2019-11-24 10:15:51,103 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:51,248 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:51,393 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:51,538 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:15:51,695 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:15:51,846 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 177 [2019-11-24 10:15:51,997 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2019-11-24 10:15:52,164 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:15:52,329 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 178 [2019-11-24 10:15:52,485 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2019-11-24 10:15:52,657 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:15:52,819 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:15:52,982 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2019-11-24 10:15:53,159 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 185 [2019-11-24 10:15:53,335 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 185 [2019-11-24 10:15:53,506 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2019-11-24 10:15:53,509 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:53,525 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 20 [2019-11-24 10:15:57,394 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 10:15:57,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 16 [2019-11-24 10:15:57,624 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:15:57,637 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:15:57,637 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:15:57,639 INFO L168 Benchmark]: Toolchain (without parser) took 49495.05 ms. Allocated memory was 145.8 MB in the beginning and 974.1 MB in the end (delta: 828.4 MB). Free memory was 100.7 MB in the beginning and 733.4 MB in the end (delta: -632.7 MB). Peak memory consumption was 195.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,640 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:15:57,641 INFO L168 Benchmark]: CACSL2BoogieTranslator took 751.86 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 172.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.06 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 166.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,642 INFO L168 Benchmark]: Boogie Preprocessor took 65.18 ms. Allocated memory is still 205.5 MB. Free memory was 166.0 MB in the beginning and 162.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,643 INFO L168 Benchmark]: RCFGBuilder took 2170.85 ms. Allocated memory was 205.5 MB in the beginning and 251.1 MB in the end (delta: 45.6 MB). Free memory was 161.0 MB in the beginning and 193.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 114.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,644 INFO L168 Benchmark]: Sifa took 46421.61 ms. Allocated memory was 251.1 MB in the beginning and 974.1 MB in the end (delta: 723.0 MB). Free memory was 193.4 MB in the beginning and 733.4 MB in the end (delta: -539.9 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:15:57,648 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 145.8 MB. Free memory is still 121.7 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 751.86 ms. Allocated memory was 145.8 MB in the beginning and 205.5 MB in the end (delta: 59.8 MB). Free memory was 100.7 MB in the beginning and 172.0 MB in the end (delta: -71.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.06 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 166.0 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.18 ms. Allocated memory is still 205.5 MB. Free memory was 166.0 MB in the beginning and 162.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2170.85 ms. Allocated memory was 205.5 MB in the beginning and 251.1 MB in the end (delta: 45.6 MB). Free memory was 161.0 MB in the beginning and 193.4 MB in the end (delta: -32.4 MB). Peak memory consumption was 114.4 MB. Max. memory is 7.1 GB. * Sifa took 46421.61 ms. Allocated memory was 251.1 MB in the beginning and 974.1 MB in the end (delta: 723.0 MB). Free memory was 193.4 MB in the beginning and 733.4 MB in the end (delta: -539.9 MB). Peak memory consumption was 183.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 46381, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 232, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 675, TOOLS_POST_TIME[ms]: 607, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME[ms]: 0, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 674, TOOLS_QUANTIFIERELIM_TIME[ms]: 439, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 14, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39216, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5522, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 264, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 471, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45243, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45243, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 3, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 106, DAG_COMPRESSION_PROCESSED_NODES: 2198, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 457]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 8315#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (not (= ~a11~0 1)) (= ~a25~0 1) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (= ~a28~0 11) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...