/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_label53.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:17:54,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:17:54,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:17:54,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:17:54,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:17:54,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:17:54,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:17:54,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:17:54,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:17:54,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:17:54,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:17:54,570 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:17:54,570 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:17:54,571 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:17:54,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:17:54,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:17:54,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:17:54,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:17:54,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:17:54,581 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:17:54,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:17:54,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:17:54,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:17:54,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:17:54,593 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:17:54,595 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:17:54,595 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:17:54,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:17:54,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:17:54,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:17:54,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:17:54,599 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:17:54,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:17:54,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:17:54,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:17:54,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:17:54,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:17:54,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:17:54,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:17:54,610 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:17:54,610 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:17:54,614 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 10:17:54,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:17:54,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:17:54,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:17:54,641 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:17:54,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:17:54,642 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:17:54,642 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:17:54,642 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:17:54,642 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:17:54,642 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:17:54,643 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:17:54,644 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:17:54,644 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:17:54,644 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:17:54,645 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:17:54,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:17:54,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:17:54,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:17:54,647 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:17:54,647 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:17:54,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:17:54,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:17:54,648 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:17:54,648 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:17:54,648 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:17:54,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:17:54,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:17:54,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:17:54,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:17:54,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:17:54,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:17:54,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:17:54,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:17:54,651 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:17:54,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:17:54,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:17:54,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:17:54,653 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:17:54,905 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:17:54,917 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:17:54,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:17:54,922 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:17:54,922 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:17:54,923 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2019-11-24 10:17:55,000 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786aa38fc/62e1bc3041f74db0b43a99318b2b3db6/FLAG50a5f0b34 [2019-11-24 10:17:55,588 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:17:55,589 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label53.c [2019-11-24 10:17:55,602 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786aa38fc/62e1bc3041f74db0b43a99318b2b3db6/FLAG50a5f0b34 [2019-11-24 10:17:55,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/786aa38fc/62e1bc3041f74db0b43a99318b2b3db6 [2019-11-24 10:17:55,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:17:55,914 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:17:55,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:55,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:17:55,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:17:55,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:55" (1/1) ... [2019-11-24 10:17:55,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7142d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:55, skipping insertion in model container [2019-11-24 10:17:55,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:55" (1/1) ... [2019-11-24 10:17:55,931 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:17:55,978 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:17:56,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:56,488 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:17:56,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:56,625 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:17:56,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56 WrapperNode [2019-11-24 10:17:56,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:56,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:56,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:17:56,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:17:56,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:56,715 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:17:56,715 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:17:56,715 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:17:56,725 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,769 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (1/1) ... [2019-11-24 10:17:56,777 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:17:56,778 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:17:56,778 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:17:56,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:17:56,779 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:56" (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 10:17:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:17:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:17:59,054 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:17:59,055 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:17:59,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:59 BoogieIcfgContainer [2019-11-24 10:17:59,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:17:59,057 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:17:59,057 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:17:59,057 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:17:59,058 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:59" (1/1) ... [2019-11-24 10:17:59,059 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 10:17:59,084 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:17:59,084 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:17:59,093 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:17:59,100 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:17:59,102 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:18:02,326 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:18:11,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:11,479 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:11,635 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:15,696 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 10:18:15,800 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-11-24 10:18:15,924 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-24 10:18:16,027 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2019-11-24 10:18:16,131 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:18:16,248 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:18:16,351 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:18:16,453 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:18:16,569 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-11-24 10:18:16,678 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-11-24 10:18:16,787 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:16,903 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:17,008 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:17,116 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:17,228 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2019-11-24 10:18:17,336 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2019-11-24 10:18:17,445 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:17,576 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:18:17,690 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:18:17,802 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:18:17,923 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:18,037 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:18,160 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:18,275 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:18,398 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:18,519 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:18,661 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:18,790 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:18,920 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:19,059 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,196 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,334 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,470 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,595 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,731 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:19,880 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:20,013 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:20,146 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:20,292 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:20,449 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:20,592 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:20,753 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 158 [2019-11-24 10:18:20,905 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 158 [2019-11-24 10:18:21,058 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:21,210 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2019-11-24 10:18:21,364 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 157 [2019-11-24 10:18:21,517 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:21,675 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:21,828 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:21,978 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:22,141 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2019-11-24 10:18:22,294 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 158 [2019-11-24 10:18:22,449 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:22,615 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:22,775 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:22,949 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:23,116 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2019-11-24 10:18:23,283 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 159 [2019-11-24 10:18:23,447 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:23,612 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:23,780 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:23,947 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:28,339 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:18:28,493 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:18:28,667 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:18:33,002 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:33,197 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:18:33,411 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:33,515 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:33,618 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:33,726 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:33,828 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:33,936 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:34,054 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2019-11-24 10:18:34,164 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2019-11-24 10:18:34,274 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:34,394 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:34,496 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:34,600 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:18:34,718 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:34,827 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:34,938 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:18:35,065 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 154 [2019-11-24 10:18:35,191 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 154 [2019-11-24 10:18:35,318 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:35,450 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:35,580 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:35,703 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:35,835 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:18:35,961 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:18:36,091 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:36,228 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:36,362 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:36,489 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:36,629 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:36,752 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:36,886 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:37,032 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:37,168 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:37,308 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:37,454 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:18:37,594 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:18:37,746 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:37,898 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:38,051 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:38,194 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:38,350 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:38,498 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:38,639 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:38,797 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:18:38,953 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:18:39,097 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:39,259 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:18:39,423 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:18:39,579 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:39,748 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:39,906 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:40,073 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:40,251 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 167 [2019-11-24 10:18:40,426 WARN L192 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 167 [2019-11-24 10:18:40,597 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:45,212 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:18:45,341 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 59 [2019-11-24 10:18:45,479 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:18:45,490 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:18:45,490 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:18:45,492 INFO L168 Benchmark]: Toolchain (without parser) took 49578.01 ms. Allocated memory was 138.9 MB in the beginning and 1.1 GB in the end (delta: 997.2 MB). Free memory was 101.0 MB in the beginning and 855.5 MB in the end (delta: -754.5 MB). Peak memory consumption was 242.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,493 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 710.03 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.8 MB in the beginning and 167.2 MB in the end (delta: -66.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,494 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.01 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 161.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,495 INFO L168 Benchmark]: Boogie Preprocessor took 62.41 ms. Allocated memory is still 204.5 MB. Free memory was 161.8 MB in the beginning and 157.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,496 INFO L168 Benchmark]: RCFGBuilder took 2278.55 ms. Allocated memory was 204.5 MB in the beginning and 248.5 MB in the end (delta: 44.0 MB). Free memory was 157.1 MB in the beginning and 186.0 MB in the end (delta: -28.8 MB). Peak memory consumption was 111.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,497 INFO L168 Benchmark]: Sifa took 46433.69 ms. Allocated memory was 248.5 MB in the beginning and 1.1 GB in the end (delta: 887.6 MB). Free memory was 186.0 MB in the beginning and 855.5 MB in the end (delta: -669.5 MB). Peak memory consumption was 218.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:45,501 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 710.03 ms. Allocated memory was 138.9 MB in the beginning and 204.5 MB in the end (delta: 65.5 MB). Free memory was 100.8 MB in the beginning and 167.2 MB in the end (delta: -66.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 89.01 ms. Allocated memory is still 204.5 MB. Free memory was 167.2 MB in the beginning and 161.8 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.41 ms. Allocated memory is still 204.5 MB. Free memory was 161.8 MB in the beginning and 157.1 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2278.55 ms. Allocated memory was 204.5 MB in the beginning and 248.5 MB in the end (delta: 44.0 MB). Free memory was 157.1 MB in the beginning and 186.0 MB in the end (delta: -28.8 MB). Peak memory consumption was 111.6 MB. Max. memory is 7.1 GB. * Sifa took 46433.69 ms. Allocated memory was 248.5 MB in the beginning and 1.1 GB in the end (delta: 887.6 MB). Free memory was 186.0 MB in the beginning and 855.5 MB in the end (delta: -669.5 MB). Peak memory consumption was 218.1 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]: 46396, 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]: 548, 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]: 417, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 12, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 39313, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 5548, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 207, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 38, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 500, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 45302, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 45301, 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]: 100, DAG_COMPRESSION_PROCESSED_NODES: 2163, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 586]: 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 8099#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a25~0 1) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (= ~a28~0 9) (not (= ~a19~0 1)) (<= ~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) (<= |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) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (= ~a17~0 8) (<= 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...