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/forester-heap/dll-simple-white-blue-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:42:45,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:42:45,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:42:45,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:42:45,040 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:42:45,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:42:45,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:42:45,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:42:45,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:42:45,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:42:45,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:42:45,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:42:45,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:42:45,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:42:45,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:42:45,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:42:45,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:42:45,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:42:45,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:42:45,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:42:45,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:42:45,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:42:45,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:42:45,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:42:45,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:42:45,065 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:42:45,065 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:42:45,066 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:42:45,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:42:45,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:42:45,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:42:45,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:42:45,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:42:45,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:42:45,071 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:42:45,071 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:42:45,072 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:42:45,072 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:42:45,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:42:45,073 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:42:45,074 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:42:45,074 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 03:42:45,089 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:42:45,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:42:45,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:42:45,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:42:45,091 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:42:45,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:42:45,091 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:42:45,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:42:45,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:42:45,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:42:45,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:42:45,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:42:45,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:42:45,093 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:42:45,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:42:45,093 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:42:45,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:42:45,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:42:45,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:42:45,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:42:45,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:42:45,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:42:45,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:42:45,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:42:45,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:42:45,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:42:45,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:42:45,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:42:45,096 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:42:45,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:42:45,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:42:45,142 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:42:45,145 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:42:45,145 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:42:45,146 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-simple-white-blue-2.i [2019-08-31 03:42:45,217 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6c64630/fa80925afe754f2792b757bb81b424e7/FLAGaa7d2ba06 [2019-08-31 03:42:45,799 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:42:45,799 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-simple-white-blue-2.i [2019-08-31 03:42:45,813 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6c64630/fa80925afe754f2792b757bb81b424e7/FLAGaa7d2ba06 [2019-08-31 03:42:46,036 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d6c64630/fa80925afe754f2792b757bb81b424e7 [2019-08-31 03:42:46,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:42:46,052 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:42:46,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:42:46,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:42:46,056 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:42:46,058 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@108ff10f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46, skipping insertion in model container [2019-08-31 03:42:46,061 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,069 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:42:46,119 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:42:46,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:42:46,570 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:42:46,613 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:42:46,689 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:42:46,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46 WrapperNode [2019-08-31 03:42:46,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:42:46,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:42:46,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:42:46,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:42:46,705 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,770 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (1/1) ... [2019-08-31 03:42:46,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:42:46,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:42:46,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:42:46,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:42:46,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:46" (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 03:42:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:42:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:42:46,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:42:46,838 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:42:46,839 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:42:46,840 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:42:46,841 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:42:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:42:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:42:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:42:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:42:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:42:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:42:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:42:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:42:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:42:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:42:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:42:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:42:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:42:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:42:47,473 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:42:47,474 INFO L283 CfgBuilder]: Removed 8 assume(true) statements. [2019-08-31 03:42:47,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:47 BoogieIcfgContainer [2019-08-31 03:42:47,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:42:47,477 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:42:47,477 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:42:47,477 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:42:47,478 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:47" (1/1) ... [2019-08-31 03:42:47,515 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:42:47,515 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:42:47,522 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:42:47,530 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:42:47,532 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:42:47,622 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 03:42:47,624 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:42:47,649 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:47,649 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:42:47,650 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:42:47,676 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:42:47,757 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 03:42:48,004 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 74 [2019-08-31 03:42:48,005 INFO L567 ElimStorePlain]: treesize reduction 9, result has 94.1 percent of original size [2019-08-31 03:42:48,012 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 03:42:48,103 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:48,105 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 03:42:48,105 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:164, output treesize:129 [2019-08-31 03:42:48,153 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_10|, |v_#memory_int_13|, |v_#memory_$Pointer$.base_10|], 4=[|v_#memory_int_14|], 16=[|v_#memory_$Pointer$.offset_33|, |v_#memory_$Pointer$.base_33|]} [2019-08-31 03:42:48,167 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 03:42:49,402 WARN L188 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 132 [2019-08-31 03:42:49,403 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:49,420 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 03:42:50,424 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification that was a NOOP. DAG size: 129 [2019-08-31 03:42:50,424 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:50,447 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 03:42:51,378 WARN L188 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-08-31 03:42:51,379 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:51,393 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 03:42:52,209 WARN L188 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-31 03:42:52,209 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:52,219 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 03:42:53,265 WARN L188 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 118 [2019-08-31 03:42:53,266 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:53,278 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 03:42:54,080 WARN L188 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-31 03:42:54,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:42:54,082 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 6 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-08-31 03:42:54,083 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:423, output treesize:554 [2019-08-31 03:42:54,122 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:42:54,190 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_10|, |v_#memory_int_34|, |v_#memory_$Pointer$.base_10|], 4=[|v_#memory_int_14|], 6=[|v_#memory_int_13|], 16=[|v_#memory_$Pointer$.base_34|, |v_#memory_$Pointer$.offset_34|]} [2019-08-31 03:42:54,380 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 03:42:54,478 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 03:43:14,004 WARN L188 SmtUtils]: Spent 19.52 s on a formula simplification that was a NOOP. DAG size: 224 [2019-08-31 03:43:14,004 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:43:14,160 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:43:34,357 WARN L188 SmtUtils]: Spent 20.20 s on a formula simplification that was a NOOP. DAG size: 218 [2019-08-31 03:43:34,358 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:43:34,553 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 03:43:34,664 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 03:43:56,389 WARN L188 SmtUtils]: Spent 21.72 s on a formula simplification that was a NOOP. DAG size: 216 [2019-08-31 03:43:56,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:43:56,613 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 03:43:56,901 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:44:23,679 WARN L188 SmtUtils]: Spent 26.78 s on a formula simplification that was a NOOP. DAG size: 221 [2019-08-31 03:44:23,679 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:44:23,901 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:44:24,158 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 03:44:53,923 WARN L188 SmtUtils]: Spent 29.76 s on a formula simplification that was a NOOP. DAG size: 217 [2019-08-31 03:44:53,924 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:44:53,995 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 03:45:19,680 WARN L188 SmtUtils]: Spent 25.68 s on a formula simplification that was a NOOP. DAG size: 213 [2019-08-31 03:45:19,680 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:19,799 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 03:45:47,829 WARN L188 SmtUtils]: Spent 28.03 s on a formula simplification that was a NOOP. DAG size: 209 [2019-08-31 03:45:47,830 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:47,835 INFO L496 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 7 dim-2 vars, End of recursive call: 21 dim-0 vars, and 2 xjuncts. [2019-08-31 03:45:47,836 INFO L221 ElimStorePlain]: Needed 12 recursive calls to eliminate 18 variables, input treesize:5910, output treesize:6601 [2019-08-31 03:45:48,370 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_14|], 1=[|v_#valid_21|]} [2019-08-31 03:45:48,388 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 6 treesize of output 5 [2019-08-31 03:45:48,388 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:48,613 WARN L188 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-31 03:45:48,614 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:48,631 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 12 treesize of output 9 [2019-08-31 03:45:48,632 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:48,827 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-08-31 03:45:48,827 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:48,830 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_35|], 2=[|v_#memory_$Pointer$.offset_10|, |v_#memory_int_13|, |v_#memory_$Pointer$.base_10|], 4=[|v_#memory_int_14|], 8=[|v_#memory_$Pointer$.base_35|, |v_#memory_$Pointer$.offset_35|]} [2019-08-31 03:45:48,854 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 15 treesize of output 1 [2019-08-31 03:45:48,854 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:49,018 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-08-31 03:45:49,018 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:49,024 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 03:45:49,159 WARN L188 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-08-31 03:45:49,159 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:49,172 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 19 treesize of output 1 [2019-08-31 03:45:49,173 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:49,280 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-31 03:45:49,280 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:49,285 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 03:45:49,374 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:49,388 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:49,390 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 20 treesize of output 9 [2019-08-31 03:45:49,390 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:49,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:49,480 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:49,496 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:49,620 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 41 [2019-08-31 03:45:49,621 INFO L341 Elim1Store]: treesize reduction 50, result has 66.2 percent of original size [2019-08-31 03:45:49,622 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 142 [2019-08-31 03:45:49,623 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:49,833 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 68 [2019-08-31 03:45:49,833 INFO L567 ElimStorePlain]: treesize reduction 83, result has 69.5 percent of original size [2019-08-31 03:45:49,850 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,046 WARN L188 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-08-31 03:45:50,047 INFO L341 Elim1Store]: treesize reduction 12, result has 92.9 percent of original size [2019-08-31 03:45:50,048 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 202 [2019-08-31 03:45:50,049 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,363 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2019-08-31 03:45:50,364 INFO L567 ElimStorePlain]: treesize reduction 137, result has 52.6 percent of original size [2019-08-31 03:45:50,364 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,365 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-31 03:45:50,366 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,367 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,370 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 7 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:45:50,373 INFO L221 ElimStorePlain]: Needed 10 recursive calls to eliminate 11 variables, input treesize:312, output treesize:134 [2019-08-31 03:45:50,397 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,404 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:50,422 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_15|], 1=[|v_#valid_22|]} [2019-08-31 03:45:50,433 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 6 treesize of output 5 [2019-08-31 03:45:50,433 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,534 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-08-31 03:45:50,535 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,547 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 12 treesize of output 9 [2019-08-31 03:45:50,548 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,629 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,633 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_36|], 2=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_23|], 4=[|v_#memory_$Pointer$.base_36|, |v_#memory_$Pointer$.offset_36|, |v_#memory_int_24|]} [2019-08-31 03:45:50,645 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 15 treesize of output 1 [2019-08-31 03:45:50,645 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,707 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 03:45:50,752 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,759 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 03:45:50,797 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,806 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 20 [2019-08-31 03:45:50,806 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,840 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,848 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,850 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 0 case distinctions, treesize of input 27 treesize of output 20 [2019-08-31 03:45:50,851 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,880 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,886 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,888 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 20 treesize of output 9 [2019-08-31 03:45:50,889 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:50,918 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 6 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,919 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 8 variables, input treesize:143, output treesize:44 [2019-08-31 03:45:50,937 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_37|, |v_#memory_int_28|], 10=[|v_#memory_$Pointer$.base_37|, |v_#memory_$Pointer$.offset_37|]} [2019-08-31 03:45:50,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,966 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 0 case distinctions, treesize of input 176 treesize of output 160 [2019-08-31 03:45:50,967 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:50,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:50,984 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 0 case distinctions, treesize of input 176 treesize of output 160 [2019-08-31 03:45:50,985 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:51,132 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-08-31 03:45:51,133 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:51,186 INFO L341 Elim1Store]: treesize reduction 29, result has 42.0 percent of original size [2019-08-31 03:45:51,187 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 157 treesize of output 153 [2019-08-31 03:45:51,188 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:51,251 INFO L341 Elim1Store]: treesize reduction 29, result has 42.0 percent of original size [2019-08-31 03:45:51,252 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 157 treesize of output 153 [2019-08-31 03:45:51,253 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:51,417 WARN L188 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-31 03:45:51,417 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:51,432 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:51,520 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:51,521 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 202 [2019-08-31 03:45:51,522 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:51,523 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:51,533 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-31 03:45:51,590 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:45:51,591 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 150 treesize of output 202 [2019-08-31 03:45:51,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:45:51,593 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-31 03:45:51,880 WARN L188 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 67 [2019-08-31 03:45:51,881 INFO L567 ElimStorePlain]: treesize reduction 102, result has 73.9 percent of original size [2019-08-31 03:45:51,882 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.sifa has thrown an exception: java.lang.UnsupportedOperationException: expected NNF at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive$TermWalker.walk(NonRecursive.java:146) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:195) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder.(ArrayOccurrenceAnalysis.java:181) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis.(ArrayOccurrenceAnalysis.java:74) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:253) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:273) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:262) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:131) at de.uni_freiburg.informatik.ultimate.lib.sifa.SymbolicTools.post(SymbolicTools.java:114) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretInternal(DagInterpreter.java:238) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:216) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.processIcfg(SifaObserver.java:80) at de.uni_freiburg.informatik.ultimate.plugins.sifa.SifaObserver.process(SifaObserver.java:72) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:156) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-08-31 03:45:51,887 INFO L168 Benchmark]: Toolchain (without parser) took 185835.51 ms. Allocated memory was 131.6 MB in the beginning and 323.5 MB in the end (delta: 191.9 MB). Free memory was 86.3 MB in the beginning and 248.8 MB in the end (delta: -162.4 MB). Peak memory consumption was 198.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,888 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.78 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.1 MB in the beginning and 164.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,889 INFO L168 Benchmark]: Boogie Preprocessor took 89.14 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 161.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,890 INFO L168 Benchmark]: RCFGBuilder took 696.06 ms. Allocated memory is still 199.8 MB. Free memory was 161.0 MB in the beginning and 115.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,891 INFO L168 Benchmark]: Sifa took 184408.68 ms. Allocated memory was 199.8 MB in the beginning and 323.5 MB in the end (delta: 123.7 MB). Free memory was 115.5 MB in the beginning and 248.9 MB in the end (delta: -133.4 MB). Peak memory consumption was 159.5 MB. Max. memory is 7.1 GB. [2019-08-31 03:45:51,894 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 131.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 637.78 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 86.1 MB in the beginning and 164.3 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.14 ms. Allocated memory is still 199.8 MB. Free memory was 164.3 MB in the beginning and 161.7 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 696.06 ms. Allocated memory is still 199.8 MB. Free memory was 161.0 MB in the beginning and 115.5 MB in the end (delta: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 7.1 GB. * Sifa took 184408.68 ms. Allocated memory was 199.8 MB in the beginning and 323.5 MB in the end (delta: 123.7 MB). Free memory was 115.5 MB in the beginning and 248.9 MB in the end (delta: -133.4 MB). Peak memory consumption was 159.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - ExceptionOrErrorResult: UnsupportedOperationException: expected NNF de.uni_freiburg.informatik.ultimate.plugins.sifa: UnsupportedOperationException: expected NNF: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.arrays.ArrayOccurrenceAnalysis$ArrOccFinder$MyWalker.walk(ArrayOccurrenceAnalysis.java:236) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...