/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_label31.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:15:35,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:15:35,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:15:35,856 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:15:35,857 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:15:35,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:15:35,859 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:15:35,861 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:15:35,863 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:15:35,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:15:35,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:15:35,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:15:35,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:15:35,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:15:35,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:15:35,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:15:35,871 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:15:35,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:15:35,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:15:35,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:15:35,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:15:35,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:15:35,887 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:15:35,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:15:35,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:15:35,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:15:35,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:15:35,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:15:35,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:15:35,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:15:35,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:15:35,897 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:15:35,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:15:35,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:15:35,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:15:35,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:15:35,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:15:35,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:15:35,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:15:35,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:15:35,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:15:35,909 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-24 10:15:35,928 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:15:35,928 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:15:35,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:15:35,930 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:15:35,930 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:15:35,930 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:15:35,930 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:15:35,930 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:15:35,931 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:15:35,931 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:15:35,932 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:15:35,932 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:15:35,932 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:15:35,933 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:15:35,933 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:15:35,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:15:35,934 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:15:35,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:15:35,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:15:35,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:15:35,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:15:35,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:15:35,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:15:35,936 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:15:35,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:15:35,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:15:35,936 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:15:35,936 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:15:35,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:15:35,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:35,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:15:35,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:15:35,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:15:35,938 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:15:35,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:15:35,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:15:35,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:15:35,939 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:15:36,212 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:15:36,226 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:15:36,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:15:36,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:15:36,233 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:15:36,234 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2019-11-24 10:15:36,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0950544f/a113b2379f6a4b04bcfd12ad351b74a4/FLAG6f5aa9442 [2019-11-24 10:15:36,795 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:15:36,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label31.c [2019-11-24 10:15:36,817 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0950544f/a113b2379f6a4b04bcfd12ad351b74a4/FLAG6f5aa9442 [2019-11-24 10:15:37,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0950544f/a113b2379f6a4b04bcfd12ad351b74a4 [2019-11-24 10:15:37,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:15:37,141 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:15:37,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:37,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:15:37,147 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:15:37,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:37,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da0f10a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37, skipping insertion in model container [2019-11-24 10:15:37,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:37,160 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:15:37,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:15:37,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:37,749 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:15:37,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:15:37,919 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:15:37,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37 WrapperNode [2019-11-24 10:15:37,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:15:37,920 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:37,920 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:15:37,920 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:15:37,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:37,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:15:38,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:15:38,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:15:38,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:15:38,022 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,031 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... [2019-11-24 10:15:38,103 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:15:38,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:15:38,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:15:38,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:15:38,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:15:37" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:15:38,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:15:38,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:15:40,205 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:15:40,205 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:15:40,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:40 BoogieIcfgContainer [2019-11-24 10:15:40,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:15:40,207 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:15:40,207 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:15:40,208 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:15:40,209 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:15:40" (1/1) ... [2019-11-24 10:15:40,209 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-24 10:15:40,232 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:15:40,233 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:15:40,242 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:15:40,249 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:15:40,251 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:15:52,127 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2019-11-24 10:15:52,305 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2019-11-24 10:15:52,476 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 36 [2019-11-24 10:15:56,283 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 155 [2019-11-24 10:15:56,787 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:15:57,390 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2019-11-24 10:15:57,502 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 160 [2019-11-24 10:15:57,609 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:57,732 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:57,842 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:57,951 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:15:58,067 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2019-11-24 10:15:58,186 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 161 [2019-11-24 10:15:58,299 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:58,436 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:58,551 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:58,662 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:58,787 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:15:58,907 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2019-11-24 10:15:59,021 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:15:59,149 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:59,267 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:59,382 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:15:59,511 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:59,640 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:59,774 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:15:59,914 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:00,047 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:00,179 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:00,327 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:00,460 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:00,606 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:00,758 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:00,897 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:01,039 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:01,179 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:01,318 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:01,458 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:01,612 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:01,757 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:01,901 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:02,051 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:02,202 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:02,352 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:02,519 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 173 [2019-11-24 10:16:02,678 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 173 [2019-11-24 10:16:02,856 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:03,018 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2019-11-24 10:16:03,177 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2019-11-24 10:16:03,330 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:03,511 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:03,665 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:03,820 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:03,998 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 173 [2019-11-24 10:16:04,161 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 173 [2019-11-24 10:16:04,321 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:04,493 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-11-24 10:16:04,657 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-11-24 10:16:04,822 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:04,999 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2019-11-24 10:16:05,166 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2019-11-24 10:16:05,335 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:05,506 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:05,677 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:05,854 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:05,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:16:05,876 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:16:10,737 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:16:10,945 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:16:11,145 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:16:15,918 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,021 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,124 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,248 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,352 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,461 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:16:16,579 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:16,689 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:16,799 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:16,910 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:17,019 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:17,128 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:17,250 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:16:17,365 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-11-24 10:16:17,474 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:16:17,600 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:17,719 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:17,832 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:16:17,963 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:18,084 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:18,202 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:16:18,331 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 169 [2019-11-24 10:16:18,460 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 169 [2019-11-24 10:16:18,587 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:16:18,726 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:18,860 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:18,993 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:16:19,134 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 170 [2019-11-24 10:16:19,270 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 170 [2019-11-24 10:16:19,404 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:19,547 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:19,681 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:19,816 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:16:19,955 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:20,105 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:20,245 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2019-11-24 10:16:20,400 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:20,548 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:20,697 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2019-11-24 10:16:20,852 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2019-11-24 10:16:21,003 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 174 [2019-11-24 10:16:21,155 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:21,318 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-11-24 10:16:21,474 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 173 [2019-11-24 10:16:21,628 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:21,782 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:21,931 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:22,080 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2019-11-24 10:16:22,242 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 174 [2019-11-24 10:16:22,398 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 174 [2019-11-24 10:16:22,562 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-11-24 10:16:22,727 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 175 [2019-11-24 10:16:22,894 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 175 [2019-11-24 10:16:23,055 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2019-11-24 10:16:23,230 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:23,396 WARN L192 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:23,563 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:16:23,756 WARN L192 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 182 [2019-11-24 10:16:23,940 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 182 [2019-11-24 10:16:24,122 WARN L192 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2019-11-24 10:16:24,124 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:16:24,143 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 17 [2019-11-24 10:16:28,128 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:16:28,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 37 [2019-11-24 10:16:28,508 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:16:28,519 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:16:28,519 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:16:28,521 INFO L168 Benchmark]: Toolchain (without parser) took 51380.36 ms. Allocated memory was 145.2 MB in the beginning and 1.1 GB in the end (delta: 942.7 MB). Free memory was 99.9 MB in the beginning and 291.0 MB in the end (delta: -191.2 MB). Peak memory consumption was 751.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,522 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 778.13 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.7 MB in the beginning and 168.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.40 ms. Allocated memory is still 203.9 MB. Free memory was 168.6 MB in the beginning and 163.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,524 INFO L168 Benchmark]: Boogie Preprocessor took 89.16 ms. Allocated memory is still 203.9 MB. Free memory was 163.1 MB in the beginning and 158.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,525 INFO L168 Benchmark]: RCFGBuilder took 2103.56 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 158.3 MB in the beginning and 191.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,526 INFO L168 Benchmark]: Sifa took 48312.25 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 838.9 MB). Free memory was 191.5 MB in the beginning and 291.0 MB in the end (delta: -99.5 MB). Peak memory consumption was 739.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:16:28,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 778.13 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 99.7 MB in the beginning and 168.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 93.40 ms. Allocated memory is still 203.9 MB. Free memory was 168.6 MB in the beginning and 163.1 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.16 ms. Allocated memory is still 203.9 MB. Free memory was 163.1 MB in the beginning and 158.3 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2103.56 ms. Allocated memory was 203.9 MB in the beginning and 249.0 MB in the end (delta: 45.1 MB). Free memory was 158.3 MB in the beginning and 191.5 MB in the end (delta: -33.2 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. * Sifa took 48312.25 ms. Allocated memory was 249.0 MB in the beginning and 1.1 GB in the end (delta: 838.9 MB). Free memory was 191.5 MB in the beginning and 291.0 MB in the end (delta: -99.5 MB). Peak memory consumption was 739.3 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]: 48276, 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]: 587, 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]: 445, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 29, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 40406, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6259, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 246, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 58, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 478, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 46980, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 46979, 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: 2153, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 520]: 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 8246#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (not (= ~a11~0 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 8) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (<= ULTIMATE.start_main_~input~0 6) (<= ULTIMATE.start_calculate_output_~input 6) (<= ~a17~0 8) (<= ~w~0 23) (<= 7 ~a17~0) (<= 0 (+ ULTIMATE.start_main_~output~0 2)) (<= 5 ~e~0) (<= ~a~0 1) (<= 1 |ULTIMATE.start_calculate_output_#in~input|) (<= 1 ULTIMATE.start_calculate_output_~input) (<= 1 ~a21~0) (<= ~d~0 4) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...