/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_label12.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:13:20,216 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:13:20,219 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:13:20,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:13:20,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:13:20,238 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:13:20,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:13:20,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:13:20,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:13:20,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:13:20,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:13:20,246 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:13:20,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:13:20,250 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:13:20,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:13:20,255 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:13:20,256 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:13:20,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:13:20,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:13:20,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:13:20,266 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:13:20,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:13:20,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:13:20,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:13:20,277 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:13:20,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:13:20,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:13:20,287 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:13:20,292 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:13:20,293 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:13:20,293 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:13:20,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:13:20,297 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:13:20,297 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:13:20,298 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:13:20,298 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:13:20,299 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 10:13:20,324 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:13:20,324 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:13:20,325 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:13:20,326 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:13:20,326 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:13:20,327 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:13:20,327 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:13:20,327 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:13:20,327 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:13:20,327 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:13:20,328 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:13:20,329 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:13:20,329 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:13:20,329 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:13:20,330 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:13:20,330 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:13:20,331 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:13:20,331 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:13:20,331 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:13:20,332 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:13:20,332 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:13:20,332 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:13:20,332 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:13:20,332 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:13:20,333 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:13:20,333 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:13:20,333 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:13:20,333 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:13:20,334 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:13:20,335 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:13:20,335 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:13:20,335 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:13:20,335 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:13:20,336 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:13:20,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:13:20,336 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:13:20,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:13:20,337 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:13:20,640 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:13:20,654 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:13:20,658 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:13:20,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:13:20,659 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:13:20,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2019-11-24 10:13:20,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cce9a911/57f9d78363724a0d997d3255d1df978f/FLAGf741046ec [2019-11-24 10:13:21,299 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:13:21,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label12.c [2019-11-24 10:13:21,328 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cce9a911/57f9d78363724a0d997d3255d1df978f/FLAGf741046ec [2019-11-24 10:13:21,690 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9cce9a911/57f9d78363724a0d997d3255d1df978f [2019-11-24 10:13:21,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:13:21,700 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:13:21,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:21,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:13:21,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:13:21,706 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:21" (1/1) ... [2019-11-24 10:13:21,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56500aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:21, skipping insertion in model container [2019-11-24 10:13:21,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:21" (1/1) ... [2019-11-24 10:13:21,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:13:21,778 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:13:22,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:22,299 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:13:22,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:13:22,477 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:13:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22 WrapperNode [2019-11-24 10:13:22,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:13:22,479 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:22,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:13:22,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:13:22,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,538 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:13:22,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:13:22,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:13:22,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:13:22,638 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... [2019-11-24 10:13:22,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:13:22,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:13:22,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:13:22,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:13:22,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:13:22,832 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:13:22,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:13:24,823 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:13:24,823 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:13:24,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:24 BoogieIcfgContainer [2019-11-24 10:13:24,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:13:24,825 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:13:24,826 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:13:24,826 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:13:24,827 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:24" (1/1) ... [2019-11-24 10:13:24,828 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 10:13:24,853 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:13:24,853 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:13:24,862 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:13:24,870 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:13:24,871 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:13:29,063 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:13:37,516 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 38 [2019-11-24 10:13:37,690 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 38 [2019-11-24 10:13:37,885 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 38 [2019-11-24 10:13:40,387 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:41,720 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:42,665 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2019-11-24 10:13:42,771 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 158 [2019-11-24 10:13:42,874 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:42,994 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:43,105 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:43,210 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:43,321 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2019-11-24 10:13:43,433 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 159 [2019-11-24 10:13:43,542 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:43,657 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:43,778 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:43,886 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:44,003 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:13:44,124 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:13:44,233 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:13:44,518 WARN L192 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:44,816 WARN L192 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:45,060 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:13:45,187 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:45,308 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:45,440 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:45,574 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:45,699 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:45,824 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:13:45,962 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:46,090 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:46,220 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:13:46,378 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:46,517 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:46,652 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:46,787 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:46,922 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:47,056 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:13:47,203 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:47,347 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:47,487 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:13:47,633 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:47,779 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:47,925 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:13:48,088 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:13:48,241 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 171 [2019-11-24 10:13:48,395 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:48,557 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:13:48,711 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2019-11-24 10:13:48,861 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:49,030 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:49,181 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:49,331 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:13:49,505 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-24 10:13:49,665 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 171 [2019-11-24 10:13:49,820 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:13:49,987 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2019-11-24 10:13:50,148 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2019-11-24 10:13:50,305 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:13:50,467 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:13:50,639 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:13:50,801 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:13:50,971 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:13:51,139 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:13:51,307 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:13:51,308 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:13:51,329 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:13:55,966 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2019-11-24 10:13:56,196 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2019-11-24 10:13:56,455 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2019-11-24 10:14:01,056 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:14:01,672 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:01,778 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:01,889 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:01,998 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:02,104 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:02,210 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:02,327 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2019-11-24 10:14:02,436 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 160 [2019-11-24 10:14:02,542 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:14:02,660 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:02,778 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:02,888 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:14:03,011 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:03,125 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:03,240 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:14:03,365 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 167 [2019-11-24 10:14:03,490 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 167 [2019-11-24 10:14:03,610 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:14:03,743 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:03,868 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:03,995 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:14:04,128 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2019-11-24 10:14:04,261 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 168 [2019-11-24 10:14:04,391 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:04,529 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:04,658 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:04,788 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:14:04,925 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:05,061 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:05,202 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:14:05,353 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:05,494 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:05,636 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:14:05,786 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:14:05,932 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 172 [2019-11-24 10:14:06,082 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:06,239 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2019-11-24 10:14:06,389 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 171 [2019-11-24 10:14:06,535 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:06,680 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:06,825 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:06,977 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:14:07,136 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 172 [2019-11-24 10:14:07,287 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 172 [2019-11-24 10:14:07,437 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:14:07,602 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 173 [2019-11-24 10:14:07,763 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 173 [2019-11-24 10:14:07,919 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:14:08,090 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:08,253 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:08,414 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:14:08,589 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 180 [2019-11-24 10:14:08,765 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 180 [2019-11-24 10:14:08,935 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2019-11-24 10:14:08,938 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:14:08,955 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 15 [2019-11-24 10:14:12,917 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2019-11-24 10:14:13,141 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 39 [2019-11-24 10:14:13,382 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:14:13,413 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:14:13,414 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:14:13,415 INFO L168 Benchmark]: Toolchain (without parser) took 51715.27 ms. Allocated memory was 136.8 MB in the beginning and 1.1 GB in the end (delta: 939.0 MB). Free memory was 100.1 MB in the beginning and 265.3 MB in the end (delta: -165.2 MB). Peak memory consumption was 773.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,416 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 777.00 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,417 INFO L168 Benchmark]: Boogie Procedure Inliner took 146.28 ms. Allocated memory is still 202.4 MB. Free memory was 167.1 MB in the beginning and 161.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,418 INFO L168 Benchmark]: Boogie Preprocessor took 118.40 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 156.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,419 INFO L168 Benchmark]: RCFGBuilder took 2078.17 ms. Allocated memory was 202.4 MB in the beginning and 253.8 MB in the end (delta: 51.4 MB). Free memory was 156.9 MB in the beginning and 198.4 MB in the end (delta: -41.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,419 INFO L168 Benchmark]: Sifa took 48588.24 ms. Allocated memory was 253.8 MB in the beginning and 1.1 GB in the end (delta: 822.1 MB). Free memory was 198.4 MB in the beginning and 265.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 755.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:14:13,423 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 777.00 ms. Allocated memory was 136.8 MB in the beginning and 202.4 MB in the end (delta: 65.5 MB). Free memory was 99.9 MB in the beginning and 167.1 MB in the end (delta: -67.2 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 146.28 ms. Allocated memory is still 202.4 MB. Free memory was 167.1 MB in the beginning and 161.3 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.40 ms. Allocated memory is still 202.4 MB. Free memory was 161.3 MB in the beginning and 156.9 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2078.17 ms. Allocated memory was 202.4 MB in the beginning and 253.8 MB in the end (delta: 51.4 MB). Free memory was 156.9 MB in the beginning and 198.4 MB in the end (delta: -41.5 MB). Peak memory consumption was 113.5 MB. Max. memory is 7.1 GB. * Sifa took 48588.24 ms. Allocated memory was 253.8 MB in the beginning and 1.1 GB in the end (delta: 822.1 MB). Free memory was 198.4 MB in the beginning and 265.3 MB in the end (delta: -66.9 MB). Peak memory consumption was 755.2 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]: 48531, 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]: 604, 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]: 462, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 29, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 40341, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6530, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 261, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 37, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 471, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 47170, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 47167, 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]: 128, DAG_COMPRESSION_PROCESSED_NODES: 2188, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 526]: 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 8252#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (not (= ~a19~0 1)) (= ~a28~0 8) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (= ~a11~0 1) (<= ~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|) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= |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...