/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_label50.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:17:43,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:17:43,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:17:43,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:17:43,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:17:43,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:17:43,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:17:43,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:17:43,892 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:17:43,893 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:17:43,894 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:17:43,895 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:17:43,895 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:17:43,896 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:17:43,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:17:43,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:17:43,899 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:17:43,900 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:17:43,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:17:43,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:17:43,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:17:43,906 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:17:43,907 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:17:43,908 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:17:43,910 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:17:43,910 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:17:43,910 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:17:43,911 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:17:43,912 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:17:43,913 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:17:43,913 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:17:43,914 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:17:43,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:17:43,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:17:43,916 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:17:43,916 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:17:43,917 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:17:43,917 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:17:43,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:17:43,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:17:43,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:17:43,920 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 10:17:43,934 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:17:43,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:17:43,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:17:43,936 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:17:43,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:17:43,936 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:17:43,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:17:43,936 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:17:43,937 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:17:43,937 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:17:43,937 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:17:43,937 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:17:43,938 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:17:43,938 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:17:43,938 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:17:43,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:17:43,939 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:17:43,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:17:43,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:17:43,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:17:43,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:17:43,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:17:43,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:17:43,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:17:43,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:17:43,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:17:43,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:17:43,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:17:43,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:17:43,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:17:43,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:17:43,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:17:43,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:17:43,942 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:17:43,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:17:43,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:17:43,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:17:43,943 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:17:44,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:17:44,232 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:17:44,236 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:17:44,237 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:17:44,238 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:17:44,238 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2019-11-24 10:17:44,313 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707d90e8/c8420b2f49d44672b4f34d281e915468/FLAGbdc91a912 [2019-11-24 10:17:44,848 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:17:44,849 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label50.c [2019-11-24 10:17:44,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707d90e8/c8420b2f49d44672b4f34d281e915468/FLAGbdc91a912 [2019-11-24 10:17:45,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f707d90e8/c8420b2f49d44672b4f34d281e915468 [2019-11-24 10:17:45,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:17:45,101 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:17:45,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:45,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:17:45,105 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:17:45,106 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab7ede9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45, skipping insertion in model container [2019-11-24 10:17:45,109 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,116 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:17:45,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:17:45,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:45,647 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:17:45,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:45,785 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:17:45,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45 WrapperNode [2019-11-24 10:17:45,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:45,787 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:45,787 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:17:45,787 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:17:45,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,810 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,874 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:45,875 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:17:45,875 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:17:45,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:17:45,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (1/1) ... [2019-11-24 10:17:45,938 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:17:45,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:17:45,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:17:45,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:17:45,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:45" (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 10:17:46,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:17:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:17:48,167 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:17:48,167 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:17:48,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:48 BoogieIcfgContainer [2019-11-24 10:17:48,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:17:48,169 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:17:48,169 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:17:48,169 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:17:48,171 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:48" (1/1) ... [2019-11-24 10:17:48,171 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 10:17:48,197 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:17:48,198 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:17:48,206 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:17:48,214 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:17:48,215 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:18:02,233 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:02,336 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:18:04,650 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:04,961 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:18:05,076 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2019-11-24 10:18:05,181 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:05,295 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:05,397 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:05,499 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:05,608 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:05,720 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:05,832 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:05,960 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:06,074 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:06,192 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:06,322 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:06,439 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:06,557 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:06,692 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:06,819 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:06,952 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:07,080 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:07,215 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:07,343 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:07,481 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:07,615 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:07,754 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:07,888 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:08,020 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:08,152 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:08,302 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:08,441 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:08,579 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:08,719 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:18:08,859 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:18:09,001 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:09,154 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:09,301 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:09,438 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:09,587 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:18:09,732 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:18:09,874 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:10,032 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:18:10,180 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 168 [2019-11-24 10:18:10,324 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:10,475 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:18:10,624 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:18:10,779 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:18:10,939 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:11,096 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:11,254 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:11,256 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:18:11,259 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2019-11-24 10:18:20,219 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:20,421 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:20,893 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-11-24 10:18:21,070 WARN L192 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 162 [2019-11-24 10:18:21,173 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:18:21,286 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:21,392 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:21,511 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:21,642 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2019-11-24 10:18:21,758 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 163 [2019-11-24 10:18:21,870 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:21,995 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:22,110 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:22,226 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2019-11-24 10:18:22,348 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:18:22,470 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 164 [2019-11-24 10:18:22,590 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:22,718 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:22,845 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:22,970 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2019-11-24 10:18:23,098 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:23,223 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:23,349 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2019-11-24 10:18:23,495 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:23,630 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:23,764 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2019-11-24 10:18:23,905 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:24,047 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 168 [2019-11-24 10:18:24,183 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:24,336 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:18:24,481 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 167 [2019-11-24 10:18:24,623 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:24,764 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:24,906 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:25,047 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2019-11-24 10:18:25,210 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:18:25,356 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 168 [2019-11-24 10:18:25,501 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:25,659 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:18:25,811 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 169 [2019-11-24 10:18:25,963 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2019-11-24 10:18:26,122 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:26,279 WARN L192 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:26,432 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-11-24 10:18:26,595 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 176 [2019-11-24 10:18:26,758 WARN L192 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 176 [2019-11-24 10:18:26,916 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2019-11-24 10:18:26,918 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:26,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 11 [2019-11-24 10:18:28,875 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-11-24 10:18:31,575 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:18:31,589 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:18:31,589 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:18:31,591 INFO L168 Benchmark]: Toolchain (without parser) took 46490.18 ms. Allocated memory was 138.4 MB in the beginning and 1.1 GB in the end (delta: 940.0 MB). Free memory was 101.2 MB in the beginning and 233.8 MB in the end (delta: -132.6 MB). Peak memory consumption was 807.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,592 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 684.34 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 101.0 MB in the beginning and 171.0 MB in the end (delta: -70.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,594 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.73 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 165.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,595 INFO L168 Benchmark]: Boogie Preprocessor took 63.48 ms. Allocated memory is still 204.5 MB. Free memory was 165.5 MB in the beginning and 161.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,596 INFO L168 Benchmark]: RCFGBuilder took 2230.20 ms. Allocated memory was 204.5 MB in the beginning and 250.6 MB in the end (delta: 46.1 MB). Free memory was 160.6 MB in the beginning and 190.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,596 INFO L168 Benchmark]: Sifa took 43419.98 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 827.9 MB). Free memory was 190.9 MB in the beginning and 233.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 785.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:31,601 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 684.34 ms. Allocated memory was 138.4 MB in the beginning and 204.5 MB in the end (delta: 66.1 MB). Free memory was 101.0 MB in the beginning and 171.0 MB in the end (delta: -70.0 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 87.73 ms. Allocated memory is still 204.5 MB. Free memory was 171.0 MB in the beginning and 165.5 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.48 ms. Allocated memory is still 204.5 MB. Free memory was 165.5 MB in the beginning and 161.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2230.20 ms. Allocated memory was 204.5 MB in the beginning and 250.6 MB in the end (delta: 46.1 MB). Free memory was 160.6 MB in the beginning and 190.9 MB in the end (delta: -30.3 MB). Peak memory consumption was 115.0 MB. Max. memory is 7.1 GB. * Sifa took 43419.98 ms. Allocated memory was 250.6 MB in the beginning and 1.1 GB in the end (delta: 827.9 MB). Free memory was 190.9 MB in the beginning and 233.8 MB in the end (delta: -42.9 MB). Peak memory consumption was 785.0 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]: 43379, 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]: 566, 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]: 438, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 309, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 37430, DOMAIN_ALPHA_APPLICATIONS: 309, DOMAIN_ALPHA_TIME[ms]: 4475, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 195, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 33, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 432, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 42534, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 42533, 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]: 9, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 102, DAG_COMPRESSION_PROCESSED_NODES: 2203, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 415]: 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 8022#(and (<= 21 ~u~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a~0) (= ~a21~0 1) (<= 23 ~w~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (<= 7 ~a28~0) (not (= ~a19~0 1)) (<= ~a28~0 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) (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) (<= 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...