java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-properties/simple-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:15:28,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:15:28,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:15:28,219 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:15:28,219 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:15:28,221 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:15:28,223 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:15:28,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:15:28,233 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:15:28,234 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:15:28,236 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:15:28,237 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:15:28,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:15:28,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:15:28,242 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:15:28,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:15:28,243 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:15:28,246 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:15:28,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:15:28,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:15:28,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:15:28,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:15:28,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:15:28,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:15:28,263 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:15:28,263 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:15:28,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:15:28,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:15:28,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:15:28,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:15:28,269 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:15:28,270 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:15:28,271 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:15:28,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:15:28,276 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:15:28,276 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:15:28,277 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:15:28,277 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:15:28,277 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:15:28,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:15:28,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:15:28,281 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-31 03:15:28,304 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:15:28,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:15:28,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:15:28,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:15:28,305 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:15:28,306 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:15:28,306 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:15:28,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:15:28,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:15:28,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:15:28,307 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:15:28,307 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:15:28,307 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:15:28,307 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:15:28,307 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:15:28,308 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:15:28,308 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:15:28,308 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:15:28,308 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:15:28,308 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:15:28,309 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:15:28,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:15:28,309 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:15:28,309 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:15:28,309 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:15:28,310 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:15:28,310 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:15:28,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:15:28,310 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:15:28,337 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:15:28,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:15:28,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:15:28,354 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:15:28,354 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:15:28,355 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/simple-1.i [2019-08-31 03:15:28,407 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044e03a58/eb88118243904939a7a01912b85316ae/FLAG3d23c336d [2019-08-31 03:15:28,923 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:15:28,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-properties/simple-1.i [2019-08-31 03:15:28,945 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044e03a58/eb88118243904939a7a01912b85316ae/FLAG3d23c336d [2019-08-31 03:15:29,209 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044e03a58/eb88118243904939a7a01912b85316ae [2019-08-31 03:15:29,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:15:29,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:15:29,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:15:29,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:15:29,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:15:29,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,226 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e726028 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29, skipping insertion in model container [2019-08-31 03:15:29,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,235 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:15:29,281 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:15:29,665 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:15:29,675 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:15:29,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:15:29,796 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:15:29,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29 WrapperNode [2019-08-31 03:15:29,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:15:29,798 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:15:29,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:15:29,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:15:29,810 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (1/1) ... [2019-08-31 03:15:29,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:15:29,868 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:15:29,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:15:29,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:15:29,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:15:29" (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 [2019-08-31 03:15:29,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:15:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:15:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 03:15:29,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 03:15:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-08-31 03:15:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-08-31 03:15:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-08-31 03:15:29,930 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-31 03:15:29,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:15:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:15:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:15:29,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:15:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:15:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:15:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:15:29,932 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:15:29,933 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:15:29,934 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 03:15:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 03:15:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-08-31 03:15:29,935 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-08-31 03:15:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-08-31 03:15:29,937 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:15:29,938 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:15:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:15:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:15:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:15:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:15:29,939 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:15:29,940 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:15:29,941 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:15:29,942 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:15:29,943 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:15:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:15:29,944 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:15:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:15:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:15:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:15:29,945 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:15:29,946 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:15:29,947 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:15:29,948 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:15:29,949 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:15:29,950 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:15:29,951 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:15:29,952 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:15:29,953 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:15:29,954 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-31 03:15:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:15:29,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:15:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:15:30,324 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-31 03:15:30,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:15:30,431 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-31 03:15:30,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:15:30 BoogieIcfgContainer [2019-08-31 03:15:30,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:15:30,433 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:15:30,433 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:15:30,434 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:15:30,435 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:15:30" (1/1) ... [2019-08-31 03:15:30,470 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:15:30,471 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:15:30,478 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:15:30,486 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:15:30,488 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:15:30,584 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:15:30,585 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:30,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:30,606 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:15:30,608 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:15:30,622 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:15:30,661 WARN L98 DagInterpreter]: A function never reaches its return [2019-08-31 03:15:30,705 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:30,715 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,294 WARN L188 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-08-31 03:15:31,295 INFO L567 ElimStorePlain]: treesize reduction 199, result has 46.4 percent of original size [2019-08-31 03:15:31,302 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,407 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-31 03:15:31,408 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:31,409 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,410 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:369, output treesize:173 [2019-08-31 03:15:31,446 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,462 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,770 WARN L188 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-08-31 03:15:31,771 INFO L567 ElimStorePlain]: treesize reduction 171, result has 48.6 percent of original size [2019-08-31 03:15:31,778 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,874 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:31,875 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:31,876 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:357, output treesize:150 [2019-08-31 03:15:31,909 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:32,179 WARN L188 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-31 03:15:32,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:32,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:32,181 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:220, output treesize:224 [2019-08-31 03:15:32,229 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:32,285 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:32,298 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:32,322 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:32,339 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:35,094 WARN L188 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2019-08-31 03:15:35,094 INFO L567 ElimStorePlain]: treesize reduction 430, result has 49.1 percent of original size [2019-08-31 03:15:35,110 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:35,118 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:35,859 WARN L188 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-31 03:15:35,859 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:35,862 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2019-08-31 03:15:35,862 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:893, output treesize:391 [2019-08-31 03:15:35,911 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:35,934 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:37,822 WARN L188 SmtUtils]: Spent 1.89 s on a formula simplification that was a NOOP. DAG size: 153 [2019-08-31 03:15:37,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:37,826 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2019-08-31 03:15:37,826 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:586, output treesize:620 [2019-08-31 03:15:37,966 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 49 [2019-08-31 03:15:37,966 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:37,974 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 49 [2019-08-31 03:15:37,975 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,029 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,038 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2019-08-31 03:15:38,038 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,045 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2019-08-31 03:15:38,046 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,087 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2019-08-31 03:15:38,088 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,093 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2019-08-31 03:15:38,094 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,119 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,121 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 03:15:38,121 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-31 03:15:38,131 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_11|], 1=[|v_#valid_16|]} [2019-08-31 03:15:38,142 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2019-08-31 03:15:38,143 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,156 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2019-08-31 03:15:38,156 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,286 WARN L188 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-08-31 03:15:38,286 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,300 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2019-08-31 03:15:38,301 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,309 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2019-08-31 03:15:38,310 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,407 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,411 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_20|], 6=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_21|]} [2019-08-31 03:15:38,420 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 92 [2019-08-31 03:15:38,421 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,435 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 96 treesize of output 92 [2019-08-31 03:15:38,435 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,525 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,559 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 03:15:38,559 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 90 [2019-08-31 03:15:38,560 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,592 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 03:15:38,593 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 84 [2019-08-31 03:15:38,594 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,687 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,722 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 03:15:38,723 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 79 [2019-08-31 03:15:38,724 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,753 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-31 03:15:38,754 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2019-08-31 03:15:38,755 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,852 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,853 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:38,854 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:38,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:38,856 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:38,857 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-31 03:15:38,858 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:207, output treesize:77 [2019-08-31 03:15:38,877 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2019-08-31 03:15:38,877 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,892 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2019-08-31 03:15:38,892 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,934 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,942 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2019-08-31 03:15:38,943 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,949 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2019-08-31 03:15:38,949 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:38,990 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 41 [2019-08-31 03:15:38,991 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:38,995 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 41 [2019-08-31 03:15:38,996 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:39,023 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:39,024 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-31 03:15:39,024 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-31 03:15:39,038 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:15:39,074 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_22|], 24=[|v_#memory_$Pointer$.base_6|, |v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_6|, |v_#memory_$Pointer$.offset_23|]} [2019-08-31 03:15:39,357 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:15:39,669 INFO L235 Elim1Store]: Index analysis took 492 ms [2019-08-31 03:15:40,068 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200 [2019-08-31 03:15:40,069 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:40,226 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:15:40,423 INFO L235 Elim1Store]: Index analysis took 202 ms [2019-08-31 03:15:40,823 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200 [2019-08-31 03:15:40,823 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:53,610 WARN L188 SmtUtils]: Spent 12.79 s on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2019-08-31 03:15:53,611 INFO L567 ElimStorePlain]: treesize reduction 188, result has 75.0 percent of original size [2019-08-31 03:15:53,658 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:53,674 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:53,724 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:56,244 WARN L188 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 145 [2019-08-31 03:15:56,244 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:15:56,272 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:15:56,370 INFO L341 Elim1Store]: treesize reduction 17, result has 85.1 percent of original size [2019-08-31 03:15:56,371 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 209 [2019-08-31 03:15:56,373 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:56,397 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:15:56,492 INFO L341 Elim1Store]: treesize reduction 17, result has 85.1 percent of original size [2019-08-31 03:15:56,492 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 209 [2019-08-31 03:15:56,495 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:56,521 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:15:59,249 WARN L188 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 161 DAG size of output: 147 [2019-08-31 03:15:59,250 INFO L567 ElimStorePlain]: treesize reduction 108, result has 80.1 percent of original size [2019-08-31 03:15:59,278 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:59,287 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:15:59,306 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:16:00,328 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 138 [2019-08-31 03:16:00,329 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:16:00,445 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-08-31 03:16:00,445 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-31 03:16:00,446 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 153 [2019-08-31 03:16:00,447 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-31 03:16:00,455 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-31 03:16:00,541 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-31 03:16:00,541 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 153 [2019-08-31 03:16:00,543 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-31 03:16:00,974 WARN L188 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2019-08-31 03:16:00,974 INFO L567 ElimStorePlain]: treesize reduction 84, result has 79.7 percent of original size [2019-08-31 03:16:00,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:16:00,975 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:16:00,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:16:00,978 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:16:00,980 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-08-31 03:16:00,980 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:829, output treesize:181 [2019-08-31 03:16:01,029 INFO L183 IcfgInterpreter]: Interpretation finished [2019-08-31 03:16:01,029 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-31 03:16:01,031 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 157#true [2019-08-31 03:16:01,045 INFO L103 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-08-31 03:16:01,045 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-08-31 03:16:01,050 INFO L168 Benchmark]: Toolchain (without parser) took 31831.57 ms. Allocated memory was 141.0 MB in the beginning and 300.9 MB in the end (delta: 159.9 MB). Free memory was 85.9 MB in the beginning and 195.7 MB in the end (delta: -109.8 MB). Peak memory consumption was 50.1 MB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,051 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,051 INFO L168 Benchmark]: CACSL2BoogieTranslator took 578.87 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 85.7 MB in the beginning and 167.5 MB in the end (delta: -81.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,052 INFO L168 Benchmark]: Boogie Preprocessor took 69.07 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 164.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,053 INFO L168 Benchmark]: RCFGBuilder took 564.97 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 123.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,053 INFO L168 Benchmark]: Sifa took 30615.23 ms. Allocated memory was 201.9 MB in the beginning and 300.9 MB in the end (delta: 99.1 MB). Free memory was 123.3 MB in the beginning and 195.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-08-31 03:16:01,059 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 105.9 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 578.87 ms. Allocated memory was 141.0 MB in the beginning and 201.9 MB in the end (delta: 60.8 MB). Free memory was 85.7 MB in the beginning and 167.5 MB in the end (delta: -81.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.07 ms. Allocated memory is still 201.9 MB. Free memory was 167.5 MB in the beginning and 164.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 564.97 ms. Allocated memory is still 201.9 MB. Free memory was 164.3 MB in the beginning and 123.3 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Sifa took 30615.23 ms. Allocated memory was 201.9 MB in the beginning and 300.9 MB in the end (delta: 99.1 MB). Free memory was 123.3 MB in the beginning and 195.7 MB in the end (delta: -72.4 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 30.6s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 67 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 2 DAG_INTERPRETER_EARLY_EXITS, 53 TOOLS_POST_APPLICATIONS, 30.2s TOOLS_POST_TIME, 7 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 6 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 30.2s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 75 FLUID_QUERIES, 1 FLUID_YES_ANSWERS, 16 DOMAIN_JOIN_APPLICATIONS, 0.0s DOMAIN_JOIN_TIME, 1 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 4 DOMAIN_WIDEN_APPLICATIONS, 0.0s DOMAIN_WIDEN_TIME, 8 DOMAIN_ISSUBSETEQ_APPLICATIONS, 0.1s DOMAIN_ISSUBSETEQ_TIME, 10 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 4 LOOP_SUMMARIZER_APPLICATIONS, 4 LOOP_SUMMARIZER_CACHE_MISSES, 7.5s LOOP_SUMMARIZER_OVERALL_TIME, 7.5s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 8 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 6 CALL_SUMMARIZER_APPLICATIONS, 2 CALL_SUMMARIZER_CACHE_MISSES, 0.1s CALL_SUMMARIZER_OVERALL_TIME, 0.1s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 206 DAG_COMPRESSION_PROCESSED_NODES, 91 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 538]: 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 157#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...