/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_label49.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:17:42,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:17:42,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:17:42,521 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:17:42,521 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:17:42,522 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:17:42,523 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:17:42,525 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:17:42,527 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:17:42,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:17:42,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:17:42,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:17:42,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:17:42,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:17:42,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:17:42,533 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:17:42,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:17:42,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:17:42,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:17:42,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:17:42,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:17:42,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:17:42,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:17:42,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:17:42,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 10:17:42,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:17:42,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:17:42,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:17:42,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:17:42,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:17:42,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:17:42,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:17:42,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:17:42,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:17:42,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:17:42,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:17:42,556 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 10:17:42,571 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:17:42,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:17:42,572 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:17:42,572 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:17:42,572 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:17:42,572 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:17:42,573 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:17:42,573 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:17:42,573 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:17:42,573 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:17:42,573 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:17:42,574 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:17:42,574 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:17:42,574 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:17:42,574 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:17:42,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:17:42,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:17:42,575 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:17:42,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:17:42,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:17:42,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:17:42,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:17:42,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:17:42,577 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:17:42,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:17:42,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:17:42,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:17:42,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:17:42,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:17:42,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:17:42,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:17:42,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:17:42,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:17:42,579 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:17:42,579 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:17:42,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:17:42,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:17:42,579 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:17:42,845 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:17:42,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:17:42,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:17:42,863 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:17:42,863 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:17:42,864 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-11-24 10:17:42,930 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f71c60d5/bf05e43c0cde468793cb9ad48ae66a48/FLAG9deb07f3c [2019-11-24 10:17:43,501 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:17:43,502 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label49.c [2019-11-24 10:17:43,518 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f71c60d5/bf05e43c0cde468793cb9ad48ae66a48/FLAG9deb07f3c [2019-11-24 10:17:43,764 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f71c60d5/bf05e43c0cde468793cb9ad48ae66a48 [2019-11-24 10:17:43,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:17:43,777 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:17:43,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:43,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:17:43,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:17:43,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:43" (1/1) ... [2019-11-24 10:17:43,787 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d08332e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:43, skipping insertion in model container [2019-11-24 10:17:43,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:43" (1/1) ... [2019-11-24 10:17:43,797 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:17:43,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:17:44,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:44,351 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:17:44,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:44,495 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:17:44,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44 WrapperNode [2019-11-24 10:17:44,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:44,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:44,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:17:44,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:17:44,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,524 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:44,577 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:17:44,577 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:17:44,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:17:44,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,635 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,640 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (1/1) ... [2019-11-24 10:17:44,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:17:44,647 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:17:44,647 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:17:44,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:17:44,650 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:44" (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 10:17:44,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:17:44,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:17:46,970 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:17:46,970 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:17:46,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:46 BoogieIcfgContainer [2019-11-24 10:17:46,972 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:17:46,972 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:17:46,972 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:17:46,972 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:17:46,974 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:46" (1/1) ... [2019-11-24 10:17:46,974 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 10:17:47,000 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:17:47,001 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:17:47,011 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:17:47,022 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:17:47,023 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:17:47,443 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:17:50,173 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-11-24 10:17:56,996 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-11-24 10:17:59,296 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:17:59,645 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6984 conjuctions. This might take some time... [2019-11-24 10:17:59,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:18:00,151 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6984 conjuctions. This might take some time... [2019-11-24 10:18:00,361 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 45 [2019-11-24 10:18:00,646 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6984 conjuctions. This might take some time... [2019-11-24 10:18:05,365 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:05,660 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:18:05,763 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 154 [2019-11-24 10:18:05,870 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:05,993 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:06,194 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:06,308 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:18:06,421 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:18:06,641 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:06,747 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:06,859 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:06,971 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:07,081 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:07,192 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:07,321 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:07,441 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:07,581 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:07,728 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:07,849 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:07,970 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:08,103 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,229 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,355 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,483 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,615 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,740 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:08,879 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:09,011 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:09,141 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:09,278 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:09,414 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:09,549 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:09,707 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:18:09,861 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 166 [2019-11-24 10:18:10,002 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:10,145 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:18:10,289 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-11-24 10:18:10,439 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:10,600 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:10,742 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:10,883 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:11,038 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:18:11,187 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 166 [2019-11-24 10:18:11,333 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:11,493 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:18:11,645 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:18:11,791 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:11,945 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:18:12,115 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 167 [2019-11-24 10:18:12,276 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:12,433 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:12,591 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:12,752 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:12,753 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:12,764 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:17,011 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:18:17,313 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7196 conjuctions. This might take some time... [2019-11-24 10:18:17,568 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:18:17,840 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7196 conjuctions. This might take some time... [2019-11-24 10:18:18,103 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:18:18,372 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7196 conjuctions. This might take some time... [2019-11-24 10:18:22,957 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:23,355 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:23,558 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:23,660 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:23,761 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:23,889 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:18:23,993 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:18:24,203 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:24,310 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:24,416 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:24,536 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:24,645 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:24,755 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:24,876 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:18:24,996 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 162 [2019-11-24 10:18:25,114 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:25,244 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:25,364 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:25,484 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:25,624 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:18:25,754 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 163 [2019-11-24 10:18:25,883 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:26,016 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:26,141 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:26,267 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:26,400 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:26,531 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:26,661 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:26,805 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:26,946 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:27,083 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:27,232 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:18:27,372 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 167 [2019-11-24 10:18:27,513 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:27,667 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:18:27,811 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 166 [2019-11-24 10:18:27,952 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:28,101 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:28,242 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:28,393 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:28,547 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:18:28,696 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 167 [2019-11-24 10:18:28,842 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:28,998 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:29,155 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:29,308 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:29,474 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:18:29,632 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:18:29,791 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:18:29,959 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:18:30,127 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 175 [2019-11-24 10:18:30,292 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:18:30,293 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:30,303 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:32,178 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:18:32,298 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2019-11-24 10:18:32,444 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-11-24 10:18:34,524 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:18:34,792 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7196 conjuctions. This might take some time... [2019-11-24 10:18:35,047 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 46 [2019-11-24 10:18:35,316 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 7196 conjuctions. This might take some time... [2019-11-24 10:18:35,584 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:18:35,598 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:18:35,598 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:18:35,599 INFO L168 Benchmark]: Toolchain (without parser) took 51823.67 ms. Allocated memory was 138.9 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 101.8 MB in the beginning and 363.8 MB in the end (delta: -261.9 MB). Peak memory consumption was 849.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,600 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-11-24 10:18:35,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.54 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 165.8 MB in the end (delta: -64.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,602 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.43 ms. Allocated memory is still 203.4 MB. Free memory was 165.8 MB in the beginning and 159.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,603 INFO L168 Benchmark]: Boogie Preprocessor took 70.25 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 155.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,603 INFO L168 Benchmark]: RCFGBuilder took 2324.47 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 155.8 MB in the beginning and 185.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,604 INFO L168 Benchmark]: Sifa took 48625.91 ms. Allocated memory was 246.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 183.7 MB in the beginning and 363.8 MB in the end (delta: -180.1 MB). Peak memory consumption was 823.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:35,608 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 138.9 MB. Free memory is still 121.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.54 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.4 MB in the beginning and 165.8 MB in the end (delta: -64.4 MB). Peak memory consumption was 30.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 79.43 ms. Allocated memory is still 203.4 MB. Free memory was 165.8 MB in the beginning and 159.8 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.25 ms. Allocated memory is still 203.4 MB. Free memory was 159.8 MB in the beginning and 155.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2324.47 ms. Allocated memory was 203.4 MB in the beginning and 246.9 MB in the end (delta: 43.5 MB). Free memory was 155.8 MB in the beginning and 185.6 MB in the end (delta: -29.8 MB). Peak memory consumption was 110.2 MB. Max. memory is 7.1 GB. * Sifa took 48625.91 ms. Allocated memory was 246.9 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 183.7 MB in the beginning and 363.8 MB in the end (delta: -180.1 MB). Peak memory consumption was 823.4 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]: 48585, 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]: 666, 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]: 532, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 23, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 38107, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 8823, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 250, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 435, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46620, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46619, 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]: 4, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 106, DAG_COMPRESSION_PROCESSED_NODES: 2228, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 547]: 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 8201#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (= ~a25~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (not (= ~a19~0 1)) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (= ~a28~0 7) (<= 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...