/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_label48.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 10:17:34,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 10:17:34,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 10:17:34,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 10:17:34,877 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 10:17:34,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 10:17:34,880 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 10:17:34,882 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 10:17:34,883 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 10:17:34,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 10:17:34,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 10:17:34,886 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 10:17:34,886 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 10:17:34,887 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 10:17:34,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 10:17:34,889 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 10:17:34,890 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 10:17:34,891 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 10:17:34,893 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 10:17:34,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 10:17:34,896 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 10:17:34,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 10:17:34,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 10:17:34,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 10:17:34,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-24 10:17:34,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-24 10:17:34,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-24 10:17:34,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-24 10:17:34,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-24 10:17:34,905 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-24 10:17:34,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 10:17:34,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 10:17:34,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 10:17:34,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 10:17:34,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 10:17:34,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 10:17:34,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 10:17:34,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 10:17:34,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 10:17:34,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 10:17:34,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 10:17:34,912 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 10:17:34,932 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 10:17:34,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 10:17:34,933 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 10:17:34,934 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 10:17:34,934 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 10:17:34,934 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 10:17:34,935 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 10:17:34,935 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 10:17:34,935 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 10:17:34,935 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 10:17:34,935 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 10:17:34,936 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 10:17:34,936 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 10:17:34,936 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 10:17:34,936 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 10:17:34,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 10:17:34,938 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 10:17:34,938 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 10:17:34,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 10:17:34,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 10:17:34,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 10:17:34,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 10:17:34,939 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 10:17:34,940 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 10:17:34,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 10:17:34,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 10:17:34,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 10:17:34,940 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 10:17:34,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 10:17:34,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 10:17:34,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 10:17:34,942 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 10:17:34,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 10:17:34,943 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 10:17:34,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 10:17:34,944 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 10:17:34,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 10:17:34,944 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 10:17:35,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 10:17:35,247 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 10:17:35,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 10:17:35,251 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 10:17:35,252 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 10:17:35,252 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2019-11-24 10:17:35,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de93d8805/d711ccf2230f4b539e5465da0b8640b1/FLAG8d868d609 [2019-11-24 10:17:35,889 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 10:17:35,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label48.c [2019-11-24 10:17:35,902 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de93d8805/d711ccf2230f4b539e5465da0b8640b1/FLAG8d868d609 [2019-11-24 10:17:36,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de93d8805/d711ccf2230f4b539e5465da0b8640b1 [2019-11-24 10:17:36,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 10:17:36,199 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 10:17:36,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:36,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 10:17:36,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 10:17:36,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48cce649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36, skipping insertion in model container [2019-11-24 10:17:36,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,215 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 10:17:36,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 10:17:36,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:36,750 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 10:17:36,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 10:17:36,878 INFO L208 MainTranslator]: Completed translation [2019-11-24 10:17:36,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36 WrapperNode [2019-11-24 10:17:36,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 10:17:36,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:36,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 10:17:36,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 10:17:36,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,963 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 10:17:36,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 10:17:36,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 10:17:36,964 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 10:17:36,974 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,978 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:36,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:37,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:37,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (1/1) ... [2019-11-24 10:17:37,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 10:17:37,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 10:17:37,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 10:17:37,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 10:17:37,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:17:36" (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 10:17:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 10:17:37,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 10:17:39,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 10:17:39,119 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-24 10:17:39,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:39 BoogieIcfgContainer [2019-11-24 10:17:39,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 10:17:39,121 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 10:17:39,121 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 10:17:39,122 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 10:17:39,123 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:17:39" (1/1) ... [2019-11-24 10:17:39,124 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 10:17:39,154 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-24 10:17:39,154 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 10:17:39,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 10:17:39,176 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 10:17:39,177 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 10:17:46,832 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-11-24 10:17:51,645 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:17:51,948 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:17:52,138 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 57 [2019-11-24 10:17:56,039 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-11-24 10:17:56,228 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 146 [2019-11-24 10:17:56,526 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2019-11-24 10:17:57,113 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2019-11-24 10:17:57,421 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 147 [2019-11-24 10:17:57,726 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-11-24 10:17:58,033 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:17:58,145 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:17:58,260 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2019-11-24 10:17:58,379 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:17:58,490 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:17:58,601 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:17:58,724 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:17:58,839 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:17:58,954 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:17:59,087 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,217 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,340 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,460 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,586 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,705 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:17:59,837 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:17:59,974 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:00,098 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:00,228 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:00,357 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:00,501 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:00,646 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:18:00,782 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 159 [2019-11-24 10:18:00,916 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:01,054 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:01,191 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 158 [2019-11-24 10:18:01,326 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:01,470 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:01,607 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:01,741 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:01,887 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:18:02,030 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 159 [2019-11-24 10:18:02,170 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:02,320 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:18:02,472 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:18:02,612 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:02,772 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-11-24 10:18:02,921 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 160 [2019-11-24 10:18:03,068 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:03,220 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:03,371 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:03,520 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:07,937 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:08,133 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:08,333 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:13,580 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2019-11-24 10:18:14,186 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:14,293 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:14,397 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2019-11-24 10:18:14,511 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2019-11-24 10:18:14,625 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 155 [2019-11-24 10:18:14,736 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2019-11-24 10:18:14,857 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:14,971 WARN L192 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:15,084 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2019-11-24 10:18:15,204 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2019-11-24 10:18:15,326 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2019-11-24 10:18:15,455 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:15,581 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:15,699 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:15,817 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2019-11-24 10:18:15,943 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:16,067 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:16,190 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-11-24 10:18:16,327 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:16,456 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:16,585 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-11-24 10:18:16,726 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:18:16,860 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 160 [2019-11-24 10:18:16,995 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:17,139 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:18:17,276 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 159 [2019-11-24 10:18:17,410 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:17,544 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:17,677 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:17,815 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2019-11-24 10:18:17,960 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 160 [2019-11-24 10:18:18,106 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 160 [2019-11-24 10:18:18,245 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2019-11-24 10:18:18,393 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:18:18,540 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-11-24 10:18:18,685 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2019-11-24 10:18:18,843 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:18,992 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:19,141 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2019-11-24 10:18:19,307 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-11-24 10:18:19,469 WARN L192 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2019-11-24 10:18:19,626 WARN L192 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2019-11-24 10:18:23,741 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:23,932 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 58 [2019-11-24 10:18:24,131 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 10:18:24,142 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 10:18:24,142 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 10:18:24,144 INFO L168 Benchmark]: Toolchain (without parser) took 47945.76 ms. Allocated memory was 144.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 99.4 MB in the beginning and 475.0 MB in the end (delta: -375.7 MB). Peak memory consumption was 651.4 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,145 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,146 INFO L168 Benchmark]: CACSL2BoogieTranslator took 680.76 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 99.1 MB in the beginning and 164.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 158.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,147 INFO L168 Benchmark]: Boogie Preprocessor took 62.23 ms. Allocated memory is still 200.8 MB. Free memory was 158.7 MB in the beginning and 153.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,148 INFO L168 Benchmark]: RCFGBuilder took 2094.81 ms. Allocated memory was 200.8 MB in the beginning and 252.2 MB in the end (delta: 51.4 MB). Free memory was 153.7 MB in the beginning and 192.8 MB in the end (delta: -39.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,149 INFO L168 Benchmark]: Sifa took 45021.19 ms. Allocated memory was 252.2 MB in the beginning and 1.2 GB in the end (delta: 919.1 MB). Free memory was 192.8 MB in the beginning and 475.0 MB in the end (delta: -282.2 MB). Peak memory consumption was 636.9 MB. Max. memory is 7.1 GB. [2019-11-24 10:18:24,153 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 144.2 MB. Free memory was 119.3 MB in the beginning and 119.1 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 680.76 ms. Allocated memory was 144.2 MB in the beginning and 200.8 MB in the end (delta: 56.6 MB). Free memory was 99.1 MB in the beginning and 164.3 MB in the end (delta: -65.2 MB). Peak memory consumption was 25.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 82.26 ms. Allocated memory is still 200.8 MB. Free memory was 164.3 MB in the beginning and 158.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.23 ms. Allocated memory is still 200.8 MB. Free memory was 158.7 MB in the beginning and 153.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2094.81 ms. Allocated memory was 200.8 MB in the beginning and 252.2 MB in the end (delta: 51.4 MB). Free memory was 153.7 MB in the beginning and 192.8 MB in the end (delta: -39.1 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. * Sifa took 45021.19 ms. Allocated memory was 252.2 MB in the beginning and 1.2 GB in the end (delta: 919.1 MB). Free memory was 192.8 MB in the beginning and 475.0 MB in the end (delta: -282.2 MB). Peak memory consumption was 636.9 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]: 44978, 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]: 631, 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]: 491, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 22, FLUID_QUERY_TIME[ms]: 28, FLUID_QUERIES: 727, FLUID_YES_ANSWERS: 310, DOMAIN_JOIN_APPLICATIONS: 232, DOMAIN_JOIN_TIME[ms]: 36993, DOMAIN_ALPHA_APPLICATIONS: 310, DOMAIN_ALPHA_TIME[ms]: 6227, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 290, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 36, DOMAIN_ISBOTTOM_APPLICATIONS: 232, DOMAIN_ISBOTTOM_TIME[ms]: 518, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43715, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43713, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 16, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 12, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 117, DAG_COMPRESSION_PROCESSED_NODES: 2183, DAG_COMPRESSION_RETAINED_NODES: 403 - UnprovableResult [Line: 583]: 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 8120#(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|) (= ~a28~0 11) (<= 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...