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/sll-reverse_simple.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:07:42,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:07:42,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:07:42,995 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:07:42,995 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:07:42,996 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:07:42,998 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:07:43,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:07:43,002 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:07:43,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:07:43,003 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:07:43,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:07:43,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:07:43,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:07:43,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:07:43,008 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:07:43,009 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:07:43,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:07:43,011 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:07:43,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:07:43,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:07:43,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:07:43,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:07:43,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:07:43,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:07:43,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:07:43,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:07:43,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:07:43,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:07:43,023 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:07:43,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:07:43,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:07:43,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:07:43,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:07:43,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:07:43,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:07:43,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:07:43,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:07:43,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:07:43,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:07:43,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:07:43,034 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 [2019-08-18 07:07:43,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:07:43,059 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:07:43,062 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:07:43,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:07:43,062 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:07:43,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:07:43,063 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:07:43,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:07:43,063 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:07:43,063 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:07:43,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:07:43,065 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:07:43,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:07:43,066 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:07:43,066 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:07:43,066 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:07:43,067 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:07:43,067 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:07:43,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:07:43,067 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:07:43,068 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:07:43,068 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:07:43,068 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:07:43,068 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:07:43,069 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:07:43,069 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:07:43,069 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:07:43,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:07:43,070 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:07:43,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:07:43,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:07:43,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:07:43,143 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:07:43,143 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:07:43,144 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-08-18 07:07:43,209 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2801ccfa/3b7d818cc785476c9a8d25b6e679075d/FLAGb5702d334 [2019-08-18 07:07:43,723 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:07:43,723 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-reverse_simple.i [2019-08-18 07:07:43,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2801ccfa/3b7d818cc785476c9a8d25b6e679075d/FLAGb5702d334 [2019-08-18 07:07:44,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2801ccfa/3b7d818cc785476c9a8d25b6e679075d [2019-08-18 07:07:44,023 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:07:44,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:07:44,029 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:07:44,029 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:07:44,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:07:44,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fb58e54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44, skipping insertion in model container [2019-08-18 07:07:44,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,045 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:07:44,105 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:07:44,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:07:44,568 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:07:44,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:07:44,668 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:07:44,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44 WrapperNode [2019-08-18 07:07:44,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:07:44,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:07:44,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:07:44,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:07:44,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (1/1) ... [2019-08-18 07:07:44,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:07:44,752 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:07:44,752 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:07:44,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:07:44,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:07:44" (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 [2019-08-18 07:07:44,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:07:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:07:44,822 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:07:44,822 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:07:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:07:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:07:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:07:44,823 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:07:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:07:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:07:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:07:44,824 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:07:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:07:44,825 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:07:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:07:44,826 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:07:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:07:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:07:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:07:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:07:44,829 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:07:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:07:44,830 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:07:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:07:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:07:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:07:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:07:44,831 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:07:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:07:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:07:44,833 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:07:44,834 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:07:44,835 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:07:44,836 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:07:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:07:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:07:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:07:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:07:44,837 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:07:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:07:44,839 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:07:44,840 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:07:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:07:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:07:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:07:44,841 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:07:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:07:44,842 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:07:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:07:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:07:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:07:44,843 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:07:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:07:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:07:44,844 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:07:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:07:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:07:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:07:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:07:44,845 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:07:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:07:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:07:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:07:44,846 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:07:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:07:44,847 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:07:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:07:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:07:44,848 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:07:44,849 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:07:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:07:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:07:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:07:44,850 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:07:44,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:07:44,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:07:45,499 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:07:45,499 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-18 07:07:45,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:07:45 BoogieIcfgContainer [2019-08-18 07:07:45,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:07:45,501 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:07:45,501 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:07:45,502 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:07:45,503 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:07:45" (1/1) ... [2019-08-18 07:07:45,515 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-18 07:07:45,518 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:07:45,524 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:07:45,532 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:07:45,534 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:07:45,618 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 [2019-08-18 07:07:45,619 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:07:45,644 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:45,645 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:07:45,645 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:07:45,658 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:07:45,712 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:45,812 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:45,814 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:45,814 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:111 [2019-08-18 07:07:45,842 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|, |v_#memory_int_10|], 6=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-18 07:07:45,852 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:46,273 WARN L188 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-08-18 07:07:46,274 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:46,288 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:46,677 WARN L188 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-18 07:07:46,678 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:46,692 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:46,969 WARN L188 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-18 07:07:46,970 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:46,980 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:47,370 WARN L188 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-18 07:07:47,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:47,372 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:47,372 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:246, output treesize:231 [2019-08-18 07:07:47,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:07:47,457 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_10|], 6=[|v_#memory_int_9|], 16=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|]} [2019-08-18 07:07:47,530 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:47,619 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:53,198 WARN L188 SmtUtils]: Spent 5.58 s on a formula simplification that was a NOOP. DAG size: 176 [2019-08-18 07:07:53,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:53,232 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:53,270 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:59,724 WARN L188 SmtUtils]: Spent 6.45 s on a formula simplification that was a NOOP. DAG size: 172 [2019-08-18 07:07:59,725 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:07:59,757 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:07:59,806 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:04,222 WARN L188 SmtUtils]: Spent 4.41 s on a formula simplification that was a NOOP. DAG size: 165 [2019-08-18 07:08:04,223 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:04,245 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:04,276 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:11,178 WARN L188 SmtUtils]: Spent 6.90 s on a formula simplification that was a NOOP. DAG size: 158 [2019-08-18 07:08:11,179 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:11,182 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 4 dim-2 vars, End of recursive call: 15 dim-0 vars, and 2 xjuncts. [2019-08-18 07:08:11,183 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 11 variables, input treesize:603, output treesize:667 [2019-08-18 07:08:11,377 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_19|]} [2019-08-18 07:08:11,388 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 [2019-08-18 07:08:11,389 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:11,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:11,492 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 [2019-08-18 07:08:11,493 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:11,585 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:11,587 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_31|], 2=[|v_#memory_int_9|, |v_#memory_int_10|]} [2019-08-18 07:08:11,602 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:11,691 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-18 07:08:11,692 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 1 case distinctions, treesize of input 38 treesize of output 48 [2019-08-18 07:08:11,693 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:11,872 WARN L188 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 67 [2019-08-18 07:08:11,872 INFO L567 ElimStorePlain]: treesize reduction 23, result has 85.2 percent of original size [2019-08-18 07:08:11,884 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:11,950 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-18 07:08:11,950 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 1 case distinctions, treesize of input 38 treesize of output 48 [2019-08-18 07:08:11,951 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,158 WARN L188 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2019-08-18 07:08:12,159 INFO L567 ElimStorePlain]: treesize reduction 16, result has 88.7 percent of original size [2019-08-18 07:08:12,168 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 [2019-08-18 07:08:12,168 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,242 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,250 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 [2019-08-18 07:08:12,250 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,312 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,319 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 13 treesize of output 9 [2019-08-18 07:08:12,320 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,372 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,373 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:08:12,374 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,376 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,376 INFO L221 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:153, output treesize:50 [2019-08-18 07:08:12,405 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,416 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,418 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,440 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 70 treesize of output 51 [2019-08-18 07:08:12,441 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,449 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 70 treesize of output 51 [2019-08-18 07:08:12,450 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,497 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,509 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 51 treesize of output 32 [2019-08-18 07:08:12,509 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,515 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 51 treesize of output 32 [2019-08-18 07:08:12,516 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,563 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,571 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 32 treesize of output 28 [2019-08-18 07:08:12,571 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,580 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 32 treesize of output 28 [2019-08-18 07:08:12,580 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,603 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:12,604 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:08:12,604 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:141, output treesize:57 [2019-08-18 07:08:12,608 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:12,617 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_13|], 1=[|v_#valid_20|]} [2019-08-18 07:08:12,655 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 180 treesize of output 179 [2019-08-18 07:08:12,656 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:12,685 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 180 treesize of output 179 [2019-08-18 07:08:12,685 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:13,188 WARN L188 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-18 07:08:13,189 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:13,246 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 179 treesize of output 176 [2019-08-18 07:08:13,247 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:13,287 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 179 treesize of output 176 [2019-08-18 07:08:13,288 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:13,759 WARN L188 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-08-18 07:08:13,759 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:13,762 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_17|, |v_#memory_int_18|, |v_#memory_int_33|], 6=[|v_#memory_$Pointer$.base_31|, |v_#memory_$Pointer$.offset_31|]} [2019-08-18 07:08:13,791 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:13,812 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:14,784 WARN L188 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-08-18 07:08:14,784 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:14,805 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:14,817 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:08:15,403 WARN L188 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-08-18 07:08:15,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:15,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,659 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-08-18 07:08:15,660 INFO L341 Elim1Store]: treesize reduction 20, result has 86.8 percent of original size [2019-08-18 07:08:15,661 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 270 [2019-08-18 07:08:15,663 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:15,681 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,686 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,693 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,697 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:15,750 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:15,751 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 162 treesize of output 214 [2019-08-18 07:08:15,752 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:16,414 WARN L188 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 91 [2019-08-18 07:08:16,414 INFO L567 ElimStorePlain]: treesize reduction 114, result has 76.2 percent of original size [2019-08-18 07:08:16,429 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:16,454 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:16,500 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:08:16,501 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 173 treesize of output 155 [2019-08-18 07:08:16,502 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:16,519 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:16,599 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-18 07:08:16,599 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 191 treesize of output 196 [2019-08-18 07:08:16,601 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:17,076 WARN L188 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 86 [2019-08-18 07:08:17,077 INFO L567 ElimStorePlain]: treesize reduction 16, result has 95.4 percent of original size [2019-08-18 07:08:17,102 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:17,149 INFO L341 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2019-08-18 07:08:17,150 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 2 case distinctions, treesize of input 152 treesize of output 134 [2019-08-18 07:08:17,151 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:17,163 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:08:17,233 INFO L341 Elim1Store]: treesize reduction 33, result has 55.4 percent of original size [2019-08-18 07:08:17,233 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 2 case distinctions, treesize of input 177 treesize of output 182 [2019-08-18 07:08:17,235 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:17,671 WARN L188 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 80 [2019-08-18 07:08:17,672 INFO L567 ElimStorePlain]: treesize reduction 23, result has 92.6 percent of original size [2019-08-18 07:08:17,673 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:08:17,674 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:08:17,675 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,676 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:08:17,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,682 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,683 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,684 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,687 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,689 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,691 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,694 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 5 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-18 07:08:17,694 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:361, output treesize:433 [2019-08-18 07:08:17,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,696 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,698 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,737 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:08:17,738 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 125 treesize of output 145 [2019-08-18 07:08:17,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-18 07:08:17,739 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,740 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,741 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:08:17,743 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:08:19,647 WARN L188 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 154 DAG size of output: 141 [2019-08-18 07:08:19,647 INFO L567 ElimStorePlain]: treesize reduction 260, result has 66.8 percent of original size [2019-08-18 07:08:19,648 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation has thrown an exception: java.lang.AssertionError: no XNF at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.eliminateOne(ElimStorePlain.java:553) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:466) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:216) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:306) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.quantifier(PartialQuantifierElimination.java:146) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.constructQuantifiedFormula(SymbolicTools.java:242) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools$EliminatingTermDomainOperationProvider.projectExistentially(SymbolicTools.java:232) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.TermDomainOperationProvider.projectExistentially(TermDomainOperationProvider.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.predicates.PredicateTransformer.strongestPostcondition(PredicateTransformer.java:130) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.SymbolicTools.post(SymbolicTools.java:106) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretInternal(DagInterpreter.java:200) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:182) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretTrans(DagInterpreter.java:165) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.ipretNode(DagInterpreter.java:133) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.DagInterpreter.interpret(DagInterpreter.java:115) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:125) at de.uni_freiburg.informatik.ultimate.lib.symbolicinterpretation.IcfgInterpreter.interpret(IcfgInterpreter.java:116) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.processIcfg(SymbolicInterpretationObserver.java:77) at de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation.SymbolicInterpretationObserver.process(SymbolicInterpretationObserver.java:69) 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) [2019-08-18 07:08:19,654 INFO L168 Benchmark]: Toolchain (without parser) took 35629.39 ms. Allocated memory was 133.7 MB in the beginning and 305.1 MB in the end (delta: 171.4 MB). Free memory was 88.0 MB in the beginning and 268.0 MB in the end (delta: -180.0 MB). Peak memory consumption was 174.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,655 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.25 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 166.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,656 INFO L168 Benchmark]: Boogie Preprocessor took 81.75 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 163.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,657 INFO L168 Benchmark]: RCFGBuilder took 748.37 ms. Allocated memory is still 201.9 MB. Free memory was 163.2 MB in the beginning and 117.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,658 INFO L168 Benchmark]: Symbolic Interpretation took 34150.88 ms. Allocated memory was 201.9 MB in the beginning and 305.1 MB in the end (delta: 103.3 MB). Free memory was 117.1 MB in the beginning and 268.0 MB in the end (delta: -150.9 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:08:19,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - ExceptionOrErrorResult: AssertionError: no XNF de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: AssertionError: no XNF: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:244) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.7 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.25 ms. Allocated memory was 133.7 MB in the beginning and 201.9 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 166.4 MB in the end (delta: -78.6 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.75 ms. Allocated memory is still 201.9 MB. Free memory was 166.4 MB in the beginning and 163.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 748.37 ms. Allocated memory is still 201.9 MB. Free memory was 163.2 MB in the beginning and 117.1 MB in the end (delta: 46.2 MB). Peak memory consumption was 46.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 34150.88 ms. Allocated memory was 201.9 MB in the beginning and 305.1 MB in the end (delta: 103.3 MB). Free memory was 117.1 MB in the beginning and 268.0 MB in the end (delta: -150.9 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...