/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_label06.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:12:48,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:12:48,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:12:48,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:12:48,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:12:48,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:12:48,891 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:12:48,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:12:48,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:12:48,895 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:12:48,896 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:12:48,897 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:12:48,898 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:12:48,899 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:12:48,900 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:12:48,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:12:48,901 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:12:48,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:12:48,904 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:12:48,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:12:48,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:12:48,908 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:12:48,909 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:12:48,910 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:12:48,912 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:12:48,912 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:12:48,912 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:12:48,913 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:12:48,914 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:12:48,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:12:48,915 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:12:48,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:12:48,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:12:48,917 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:12:48,918 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:12:48,918 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:12:48,919 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:12:48,919 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:12:48,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:12:48,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:12:48,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:12:48,921 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 10:12:48,936 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:12:48,936 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:12:48,937 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:12:48,937 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:12:48,937 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:12:48,938 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:12:48,938 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:12:48,938 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:12:48,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:12:48,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:12:48,939 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:12:48,939 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:12:48,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:12:48,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:12:48,939 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:12:48,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:12:48,940 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:12:48,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:12:48,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:12:48,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:12:48,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:12:48,941 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:12:48,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:12:48,942 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:12:48,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:12:48,942 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:12:48,942 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:12:48,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:12:48,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:12:48,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:12:48,943 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:12:48,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:12:48,944 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:12:48,944 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:12:48,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:12:48,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:12:48,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:12:48,945 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:12:49,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:12:49,252 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:12:49,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:12:49,257 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:12:49,258 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:12:49,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2019-11-24 10:12:49,346 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484975594/bea9a7ac4702499eb1ab6ca9044c4578/FLAG875f07d88 [2019-11-24 10:12:49,962 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:12:49,966 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label06.c [2019-11-24 10:12:49,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484975594/bea9a7ac4702499eb1ab6ca9044c4578/FLAG875f07d88 [2019-11-24 10:12:50,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/484975594/bea9a7ac4702499eb1ab6ca9044c4578 [2019-11-24 10:12:50,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:12:50,252 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:12:50,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:50,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:12:50,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:12:50,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:50,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ece1d84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50, skipping insertion in model container [2019-11-24 10:12:50,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:50,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:12:50,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:12:50,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:50,822 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:12:50,942 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:12:50,959 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:12:50,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50 WrapperNode [2019-11-24 10:12:50,960 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:12:50,960 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:50,961 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:12:50,961 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:12:50,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,002 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:12:51,071 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:12:51,071 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:12:51,071 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:12:51,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,080 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,084 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,105 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (1/1) ... [2019-11-24 10:12:51,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:12:51,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:12:51,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:12:51,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:12:51,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:50" (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 10:12:51,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:12:51,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:12:53,452 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:12:53,453 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:12:53,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:53 BoogieIcfgContainer [2019-11-24 10:12:53,455 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:12:53,456 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:12:53,456 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:12:53,457 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:12:53,458 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:53" (1/1) ... [2019-11-24 10:12:53,459 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 10:12:53,500 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:12:53,501 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:12:53,513 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:12:53,528 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:12:53,529 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:12:54,029 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-11-24 10:12:57,520 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 126 [2019-11-24 10:13:05,939 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:06,316 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5848 conjuctions. This might take some time... [2019-11-24 10:13:06,384 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:06,627 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5848 conjuctions. This might take some time... [2019-11-24 10:13:06,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 60 [2019-11-24 10:13:06,967 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5848 conjuctions. This might take some time... [2019-11-24 10:13:10,698 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-11-24 10:13:10,929 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 141 [2019-11-24 10:13:11,156 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-24 10:13:11,408 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-24 10:13:11,538 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-11-24 10:13:12,777 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:13:12,896 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:13:13,005 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:13:13,215 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:13,319 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:13,424 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2019-11-24 10:13:13,539 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:13,650 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:13,759 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-11-24 10:13:13,879 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:13,996 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:14,113 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:14,234 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:14,347 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:14,460 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:14,586 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:14,703 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:14,825 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:14,947 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:15,084 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:15,208 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:15,347 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2019-11-24 10:13:15,476 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 154 [2019-11-24 10:13:15,604 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:15,742 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:13:15,874 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2019-11-24 10:13:16,001 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:16,148 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:16,278 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:16,404 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:16,539 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 154 [2019-11-24 10:13:16,674 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 154 [2019-11-24 10:13:16,806 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:16,950 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:13:17,087 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2019-11-24 10:13:17,219 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:17,371 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:13:17,508 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 155 [2019-11-24 10:13:17,644 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:17,786 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:17,927 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:18,069 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:22,629 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:13:22,772 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-11-24 10:13:22,837 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:13:22,979 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-11-24 10:13:23,053 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:13:23,198 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-11-24 10:13:28,990 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 151 [2019-11-24 10:13:29,096 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 151 [2019-11-24 10:13:29,206 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-11-24 10:13:29,321 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:29,427 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:29,535 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:13:29,648 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2019-11-24 10:13:29,760 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 152 [2019-11-24 10:13:29,871 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:29,988 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:30,105 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:30,216 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:13:30,333 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:30,449 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:30,565 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:13:30,696 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:30,818 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:30,939 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:13:31,132 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2019-11-24 10:13:31,260 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2019-11-24 10:13:31,387 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:31,533 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:31,662 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 155 [2019-11-24 10:13:31,786 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:31,910 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:32,033 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:32,156 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:13:32,295 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-11-24 10:13:32,425 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 156 [2019-11-24 10:13:32,563 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:13:32,701 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-11-24 10:13:32,840 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 157 [2019-11-24 10:13:32,976 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:13:33,125 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:33,264 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:33,403 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:13:33,554 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2019-11-24 10:13:33,705 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 164 [2019-11-24 10:13:33,855 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:13:37,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:13:37,786 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-11-24 10:13:37,851 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 61 [2019-11-24 10:13:37,992 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 5626 conjuctions. This might take some time... [2019-11-24 10:13:38,065 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:13:38,077 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:13:38,077 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:13:38,078 INFO L168 Benchmark]: Toolchain (without parser) took 47826.70 ms. Allocated memory was 144.2 MB in the beginning and 1.1 GB in the end (delta: 993.5 MB). Free memory was 99.8 MB in the beginning and 587.6 MB in the end (delta: -487.9 MB). Peak memory consumption was 505.6 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,079 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.55 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 162.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,081 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.81 ms. Allocated memory is still 201.9 MB. Free memory was 162.0 MB in the beginning and 156.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,082 INFO L168 Benchmark]: Boogie Preprocessor took 62.66 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 151.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,083 INFO L168 Benchmark]: RCFGBuilder took 2321.25 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 151.6 MB in the beginning and 186.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,084 INFO L168 Benchmark]: Sifa took 44621.02 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 887.1 MB). Free memory was 186.3 MB in the beginning and 587.6 MB in the end (delta: -401.3 MB). Peak memory consumption was 485.8 MB. Max. memory is 7.1 GB. [2019-11-24 10:13:38,088 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 144.2 MB. Free memory was 120.5 MB in the beginning and 120.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.55 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 99.5 MB in the beginning and 162.0 MB in the end (delta: -62.4 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 109.81 ms. Allocated memory is still 201.9 MB. Free memory was 162.0 MB in the beginning and 156.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.66 ms. Allocated memory is still 201.9 MB. Free memory was 156.5 MB in the beginning and 151.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2321.25 ms. Allocated memory was 201.9 MB in the beginning and 250.6 MB in the end (delta: 48.8 MB). Free memory was 151.6 MB in the beginning and 186.3 MB in the end (delta: -34.8 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. * Sifa took 44621.02 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 887.1 MB). Free memory was 186.3 MB in the beginning and 587.6 MB in the end (delta: -401.3 MB). Peak memory consumption was 485.8 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]: 44566, 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]: 582, 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]: 446, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 30, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 36324, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6597, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 261, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 448, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43146, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43143, 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]: 6, PATH_EXPR_TIME[ms]: 13, REGEX_TO_DAG_TIME[ms]: 10, DAG_COMPRESSION_TIME[ms]: 126, DAG_COMPRESSION_PROCESSED_NODES: 2193, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 592]: 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 8081#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (<= ~a28~0 11) (<= 0 ~a25~0) (<= ~a19~0 1) (= ~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) (= ~a28~0 10) (<= 1 ~a21~0) (<= ~d~0 4) (not (= ~a25~0 1)) (<= |ULTIMATE.start_calculate_output_#in~input| 6) (<= 25 ~y~0) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a21~0 1) (<= 0 ~a11~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 0 ~a19~0) (<= ~a11~0 1) (= ~a17~0 7) (<= 4 ~d~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= ULTIMATE.start_main_~output~0 26) (<= 24 ~x~0) (<= ~e~0 5) (<= 1 ULTIMATE.start_main_~input~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...