/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/nla-digbench/lcm1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-6598664 [2019-11-24 16:44:53,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-24 16:44:53,317 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-24 16:44:53,329 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-24 16:44:53,330 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-24 16:44:53,333 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-24 16:44:53,334 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-24 16:44:53,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-24 16:44:53,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-24 16:44:53,346 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-24 16:44:53,348 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-24 16:44:53,349 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-24 16:44:53,349 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-24 16:44:53,351 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-24 16:44:53,352 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-24 16:44:53,354 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-24 16:44:53,356 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-24 16:44:53,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-24 16:44:53,359 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-24 16:44:53,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-24 16:44:53,366 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-24 16:44:53,369 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-24 16:44:53,370 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-24 16:44:53,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-24 16:44:53,373 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-24 16:44:53,378 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-24 16:44:53,379 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-24 16:44:53,379 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-24 16:44:53,380 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-24 16:44:53,383 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-24 16:44:53,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-24 16:44:53,384 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-24 16:44:53,384 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-24 16:44:53,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-24 16:44:53,387 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-24 16:44:53,388 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-24 16:44:53,389 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 16:44:53,422 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-24 16:44:53,423 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-24 16:44:53,423 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-24 16:44:53,424 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-24 16:44:53,424 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-24 16:44:53,424 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-24 16:44:53,424 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-24 16:44:53,424 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-24 16:44:53,425 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-24 16:44:53,427 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-24 16:44:53,427 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-24 16:44:53,427 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-24 16:44:53,427 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-24 16:44:53,429 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-24 16:44:53,429 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-24 16:44:53,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-24 16:44:53,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-24 16:44:53,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-24 16:44:53,431 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-24 16:44:53,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-24 16:44:53,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-24 16:44:53,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-24 16:44:53,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-24 16:44:53,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-24 16:44:53,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-24 16:44:53,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-24 16:44:53,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-24 16:44:53,433 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-11-24 16:44:53,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-24 16:44:53,716 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-24 16:44:53,719 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-24 16:44:53,720 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-24 16:44:53,721 INFO L275 PluginConnector]: CDTParser initialized [2019-11-24 16:44:53,722 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm1.c [2019-11-24 16:44:53,794 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102b3152c/3e83a3dd51834c938975435cd9a6d12a/FLAGcc553bb34 [2019-11-24 16:44:54,234 INFO L306 CDTParser]: Found 1 translation units. [2019-11-24 16:44:54,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm1.c [2019-11-24 16:44:54,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102b3152c/3e83a3dd51834c938975435cd9a6d12a/FLAGcc553bb34 [2019-11-24 16:44:54,621 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/102b3152c/3e83a3dd51834c938975435cd9a6d12a [2019-11-24 16:44:54,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-24 16:44:54,630 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-11-24 16:44:54,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:54,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-24 16:44:54,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-24 16:44:54,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:54,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59120fdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54, skipping insertion in model container [2019-11-24 16:44:54,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:54,646 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-24 16:44:54,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-24 16:44:54,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:54,854 INFO L203 MainTranslator]: Completed pre-run [2019-11-24 16:44:54,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-24 16:44:54,887 INFO L208 MainTranslator]: Completed translation [2019-11-24 16:44:54,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54 WrapperNode [2019-11-24 16:44:54,887 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-24 16:44:54,888 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:54,888 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-24 16:44:54,888 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-24 16:44:54,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:54,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,015 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-24 16:44:55,016 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-24 16:44:55,016 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-24 16:44:55,016 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-24 16:44:55,023 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,023 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (1/1) ... [2019-11-24 16:44:55,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-24 16:44:55,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-24 16:44:55,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-24 16:44:55,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-24 16:44:55,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 04:44:54" (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 16:44:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-24 16:44:55,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-24 16:44:55,103 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2019-11-24 16:44:55,400 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-24 16:44:55,400 INFO L284 CfgBuilder]: Removed 17 assume(true) statements. [2019-11-24 16:44:55,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:55 BoogieIcfgContainer [2019-11-24 16:44:55,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-24 16:44:55,402 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-24 16:44:55,402 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-24 16:44:55,402 INFO L275 PluginConnector]: Sifa initialized [2019-11-24 16:44:55,403 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 04:44:55" (1/1) ... [2019-11-24 16:44:55,404 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 16:44:55,436 INFO L159 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-11-24 16:44:55,436 INFO L166 IcfgInterpreter]: Building call graph [2019-11-24 16:44:55,443 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-24 16:44:55,449 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-24 16:44:55,450 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-24 16:45:21,325 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-24 16:45:25,424 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-24 16:45:25,425 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-24 16:45:25,428 INFO L168 Benchmark]: Toolchain (without parser) took 30796.93 ms. Allocated memory was 147.3 MB in the beginning and 232.3 MB in the end (delta: 84.9 MB). Free memory was 104.8 MB in the beginning and 140.8 MB in the end (delta: -36.0 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,429 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 147.3 MB. Free memory was 123.6 MB in the beginning and 123.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 256.78 ms. Allocated memory is still 147.3 MB. Free memory was 104.6 MB in the beginning and 94.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 127.13 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 94.6 MB in the beginning and 184.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,436 INFO L168 Benchmark]: Boogie Preprocessor took 21.31 ms. Allocated memory is still 205.0 MB. Free memory was 184.2 MB in the beginning and 182.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,436 INFO L168 Benchmark]: RCFGBuilder took 364.23 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,439 INFO L168 Benchmark]: Sifa took 30023.33 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 166.5 MB in the beginning and 140.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 53.0 MB. Max. memory is 7.1 GB. [2019-11-24 16:45:25,449 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 147.3 MB. Free memory was 123.6 MB in the beginning and 123.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 256.78 ms. Allocated memory is still 147.3 MB. Free memory was 104.6 MB in the beginning and 94.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 127.13 ms. Allocated memory was 147.3 MB in the beginning and 205.0 MB in the end (delta: 57.7 MB). Free memory was 94.6 MB in the beginning and 184.2 MB in the end (delta: -89.6 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 21.31 ms. Allocated memory is still 205.0 MB. Free memory was 184.2 MB in the beginning and 182.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 364.23 ms. Allocated memory is still 205.0 MB. Free memory was 182.5 MB in the beginning and 166.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Sifa took 30023.33 ms. Allocated memory was 205.0 MB in the beginning and 232.3 MB in the end (delta: 27.3 MB). Free memory was 166.5 MB in the beginning and 140.8 MB in the end (delta: 25.7 MB). Peak memory consumption was 53.0 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]: 25890, ICFG_INTERPRETER_ENTERED_PROCEDURES: 1, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 40, DAG_INTERPRETER_EARLY_EXITS: 13, TOOLS_POST_APPLICATIONS: 139, TOOLS_POST_TIME[ms]: 205, 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: 111, TOOLS_QUANTIFIERELIM_TIME[ms]: 154, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 19, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 202, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 421, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 163, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22, DOMAIN_ISSUBSETEQ_TIME[ms]: 15239, DOMAIN_ISBOTTOM_APPLICATIONS: 40, DOMAIN_ISBOTTOM_TIME[ms]: 9717, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 15708, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 15708, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 22, 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]: 2, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 8, DAG_COMPRESSION_TIME[ms]: 72, DAG_COMPRESSION_PROCESSED_NODES: 2259, DAG_COMPRESSION_RETAINED_NODES: 132 - UnprovableResult [Line: 12]: 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 257#(and (<= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start___VERIFIER_assert_~cond 1) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1)). Possible FailurePath: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 12]: 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 274#(and (or (and (= (mod (+ (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~y~0)) 4294967296) (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296)) (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (and (not (= (mod (+ (* ULTIMATE.start_main_~v~0 ULTIMATE.start_main_~y~0) (* ULTIMATE.start_main_~u~0 ULTIMATE.start_main_~y~0)) 4294967296) (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296))) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (or (and (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~y~0) (= ULTIMATE.start_main_~b~0 ULTIMATE.start_main_~u~0) (<= 1 (mod ULTIMATE.start_main_~a~0 4294967296)) (<= (mod ULTIMATE.start_main_~b~0 4294967296) 65535) (<= (mod ULTIMATE.start_main_~a~0 4294967296) 65535) (= ULTIMATE.start_main_~v~0 0) (= ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~x~0) (<= 1 (mod ULTIMATE.start_main_~b~0 4294967296))) (and (not (< (mod ULTIMATE.start_main_~x~0 4294967296) (mod ULTIMATE.start_main_~y~0 4294967296))) (or (and (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296)) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) (mod ULTIMATE.start_main_~x~0 4294967296)))) (and (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~u~0 (- ULTIMATE.start_main_~v~0)))) 4294967296)) (<= (mod ULTIMATE.start_main_~x~0 4294967296) (mod (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) 4294967296)) (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296)) (< (mod ULTIMATE.start_main_~x~0 4294967296) (mod (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) 4294967296)))))) (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296)) (= (mod ULTIMATE.start_main_~y~0 4294967296) (mod ULTIMATE.start_main_~x~0 4294967296))) Final emptiness check over-approximated again to 290#(and (<= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (<= ULTIMATE.start___VERIFIER_assert_~cond 0) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond| 0)). Possible FailurePath: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - UnprovableResult [Line: 12]: 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 136#(and (<= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= 0 ULTIMATE.start___VERIFIER_assert_~cond) (<= ULTIMATE.start___VERIFIER_assert_~cond 1) (or (and (or (and (not (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296))) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (and (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (not (< (mod ULTIMATE.start_main_~y~0 4294967296) (mod ULTIMATE.start_main_~x~0 4294967296)))) (and (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) ULTIMATE.start_main_~v~0) (* ULTIMATE.start_main_~x~0 (+ ULTIMATE.start_main_~u~0 (- ULTIMATE.start_main_~v~0)))) 4294967296)) (or (and (not (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296))) (= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond|)) (and (= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond|) (= (mod (* ULTIMATE.start_main_~a~0 ULTIMATE.start_main_~b~0) 4294967296) (mod (+ (* ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~u~0) (* ULTIMATE.start_main_~y~0 ULTIMATE.start_main_~v~0)) 4294967296)))) (= |ULTIMATE.start___VERIFIER_assert_#in~cond| ULTIMATE.start___VERIFIER_assert_~cond) (<= (mod ULTIMATE.start_main_~x~0 4294967296) (mod (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) 4294967296)) (< (mod ULTIMATE.start_main_~x~0 4294967296) (mod (+ ULTIMATE.start_main_~x~0 ULTIMATE.start_main_~y~0) 4294967296)))) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond| 1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...