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-rb-cnstr_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:48:36,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:48:36,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:48:36,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:48:36,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:48:36,137 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:48:36,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:48:36,140 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:48:36,142 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:48:36,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:48:36,144 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:48:36,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:48:36,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:48:36,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:48:36,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:48:36,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:48:36,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:48:36,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:48:36,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:48:36,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:48:36,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:48:36,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:48:36,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:48:36,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:48:36,160 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:48:36,161 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:48:36,161 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:48:36,162 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:48:36,162 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:48:36,163 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:48:36,163 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:48:36,164 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:48:36,165 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:48:36,166 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:48:36,167 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:48:36,167 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:48:36,168 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:48:36,168 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:48:36,168 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:48:36,169 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:48:36,170 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:48:36,170 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 [2019-08-22 21:48:36,184 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:48:36,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:48:36,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:48:36,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:48:36,187 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:48:36,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:48:36,187 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:48:36,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:48:36,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:48:36,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:48:36,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:48:36,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:48:36,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:48:36,188 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:48:36,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:48:36,189 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:48:36,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:48:36,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:48:36,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:48:36,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:48:36,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:48:36,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:48:36,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:48:36,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:48:36,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:48:36,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:48:36,191 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:48:36,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:48:36,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:48:36,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:48:36,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:48:36,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:48:36,244 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:48:36,244 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:48:36,245 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-08-22 21:48:36,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b034b1e/ccfb4ec958ab4594bc21abef8c9583f9/FLAG6cfd280fa [2019-08-22 21:48:36,904 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:48:36,906 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-1.i [2019-08-22 21:48:36,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b034b1e/ccfb4ec958ab4594bc21abef8c9583f9/FLAG6cfd280fa [2019-08-22 21:48:37,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0b034b1e/ccfb4ec958ab4594bc21abef8c9583f9 [2019-08-22 21:48:37,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:48:37,191 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:48:37,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:48:37,192 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:48:37,196 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:48:37,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,200 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13182ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37, skipping insertion in model container [2019-08-22 21:48:37,201 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:48:37,256 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:48:37,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:48:37,718 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:48:37,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:48:37,815 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:48:37,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37 WrapperNode [2019-08-22 21:48:37,816 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:48:37,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:48:37,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:48:37,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:48:37,832 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,832 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (1/1) ... [2019-08-22 21:48:37,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:48:37,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:48:37,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:48:37,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:48:37,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:48:37" (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 [2019-08-22 21:48:37,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:48:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:48:37,940 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:48:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:48:37,940 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:48:37,941 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:48:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:48:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:48:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:48:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:48:37,942 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:48:37,943 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:48:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:48:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:48:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:48:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:48:37,944 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:48:37,945 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:48:37,946 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:48:37,947 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:48:37,948 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:48:37,949 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:48:37,950 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:48:37,951 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:48:37,952 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:48:37,953 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:48:37,954 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:48:37,955 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:48:37,956 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:48:37,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:48:37,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:48:38,617 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:48:38,617 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-22 21:48:38,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:48:38 BoogieIcfgContainer [2019-08-22 21:48:38,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:48:38,619 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:48:38,620 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:48:38,620 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:48:38,621 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:48:38" (1/1) ... [2019-08-22 21:48:38,644 INFO L148 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-22 21:48:38,647 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:48:38,660 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:48:38,669 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:48:38,670 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:48:38,751 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 [2019-08-22 21:48:38,751 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:38,767 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:38,767 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:48:38,768 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:48:38,787 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:48:38,922 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:39,126 WARN L188 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 65 [2019-08-22 21:48:39,127 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.7 percent of original size [2019-08-22 21:48:39,129 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:39,130 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:135, output treesize:114 [2019-08-22 21:48:39,170 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_8|], 4=[|v_#memory_$Pointer$.offset_22|, |v_#memory_$Pointer$.base_22|]} [2019-08-22 21:48:39,199 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:39,483 WARN L188 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-08-22 21:48:39,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:39,491 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:39,788 WARN L188 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-22 21:48:39,789 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:39,796 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:40,074 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-22 21:48:40,074 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:40,076 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:40,077 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:222, output treesize:219 [2019-08-22 21:48:40,098 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_16|, |v_#memory_int_17|], 4=[|v_#memory_int_26|], 6=[|v_#memory_$Pointer$.base_14|, |v_#memory_$Pointer$.offset_14|]} [2019-08-22 21:48:40,124 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:41,077 WARN L188 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2019-08-22 21:48:41,078 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:41,101 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:42,375 WARN L188 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 138 [2019-08-22 21:48:42,376 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:42,405 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:43,619 WARN L188 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 134 [2019-08-22 21:48:43,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:43,635 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:44,580 WARN L188 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-22 21:48:44,581 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:44,591 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:45,984 WARN L188 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 126 [2019-08-22 21:48:45,985 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:45,987 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:45,987 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:384, output treesize:453 [2019-08-22 21:48:46,009 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:46,297 WARN L188 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-22 21:48:46,298 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:46,299 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:46,300 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:246, output treesize:234 [2019-08-22 21:48:46,528 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_22|]} [2019-08-22 21:48:46,561 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 [2019-08-22 21:48:46,562 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:46,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:46,659 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 [2019-08-22 21:48:46,660 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:46,735 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:46,737 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_25|, |v_#memory_$Pointer$.offset_25|, |v_#memory_int_28|], 2=[|v_#memory_int_8|]} [2019-08-22 21:48:46,775 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:46,776 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 27 treesize of output 39 [2019-08-22 21:48:46,777 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:46,918 WARN L188 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-08-22 21:48:46,919 INFO L567 ElimStorePlain]: treesize reduction 16, result has 87.7 percent of original size [2019-08-22 21:48:46,953 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:46,954 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 1 case distinctions, treesize of input 27 treesize of output 39 [2019-08-22 21:48:46,955 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:47,062 WARN L188 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-08-22 21:48:47,063 INFO L567 ElimStorePlain]: treesize reduction 24, result has 80.8 percent of original size [2019-08-22 21:48:47,072 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 [2019-08-22 21:48:47,072 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:47,115 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:47,123 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 [2019-08-22 21:48:47,123 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:47,165 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:47,167 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:47,170 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:47,170 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:126, output treesize:71 [2019-08-22 21:48:47,175 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:47,196 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_13|], 3=[|v_#valid_23|]} [2019-08-22 21:48:47,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:47,258 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 244 treesize of output 246 [2019-08-22 21:48:47,260 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:47,284 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:47,305 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 237 treesize of output 239 [2019-08-22 21:48:47,307 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:48,041 WARN L188 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2019-08-22 21:48:48,042 INFO L567 ElimStorePlain]: treesize reduction 247, result has 48.5 percent of original size [2019-08-22 21:48:48,090 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:48,091 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-22 21:48:48,092 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:48,618 WARN L188 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2019-08-22 21:48:48,619 INFO L567 ElimStorePlain]: treesize reduction 14, result has 94.3 percent of original size [2019-08-22 21:48:48,623 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_29|], 2=[|v_#memory_int_16|, |v_#memory_int_17|], 6=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.base_14|, |v_#memory_$Pointer$.offset_26|, |v_#memory_$Pointer$.offset_14|]} [2019-08-22 21:48:48,670 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:48,694 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 0 case distinctions, treesize of input 20 treesize of output 9 [2019-08-22 21:48:48,695 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:48,905 WARN L188 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-22 21:48:48,906 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:48,913 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:48:49,072 WARN L188 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-22 21:48:49,073 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,089 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,091 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 0 case distinctions, treesize of input 26 treesize of output 29 [2019-08-22 21:48:49,092 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,369 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-08-22 21:48:49,369 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.1 percent of original size [2019-08-22 21:48:49,378 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,385 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 11 [2019-08-22 21:48:49,386 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,499 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-22 21:48:49,500 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,513 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,516 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 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-22 21:48:49,517 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,596 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,605 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,609 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 34 treesize of output 14 [2019-08-22 21:48:49,610 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,689 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,691 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 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-22 21:48:49,692 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,742 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,743 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,744 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 11 variables, input treesize:482, output treesize:93 [2019-08-22 21:48:49,748 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:49,757 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_30|], 6=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-22 21:48:49,766 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 106 treesize of output 102 [2019-08-22 21:48:49,766 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,775 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 99 treesize of output 95 [2019-08-22 21:48:49,776 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,890 WARN L188 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 48 [2019-08-22 21:48:49,891 INFO L567 ElimStorePlain]: treesize reduction 106, result has 46.5 percent of original size [2019-08-22 21:48:49,896 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,897 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 11 [2019-08-22 21:48:49,898 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,926 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,931 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:48:49,932 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 34 treesize of output 14 [2019-08-22 21:48:49,933 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,971 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:48:49,971 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:48:49,972 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:206, output treesize:50 [2019-08-22 21:48:49,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,003 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,017 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,020 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,108 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,121 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,189 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,190 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,195 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,204 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,211 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,324 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,329 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,377 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,379 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,390 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,395 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,482 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,485 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,506 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,507 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,508 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,513 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,519 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,588 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,590 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,622 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,627 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:48:50,634 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:48:50,635 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:48:50,637 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2376#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (<= 0 main_~end~0.base) (<= 0 main_~list~0.offset) (<= 0 main_~list~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~list~0.base 0) (<= main_~end~0.base 0) (<= main_~list~0.offset 0)) [2019-08-22 21:48:50,637 INFO L179 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 2095#(exists ((v_main_~end~0.offset_58 Int) (v_prenex_99 Int) (v_prenex_100 Int) (v_main_~end~0.base_58 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.offset) (not (= v_main_~end~0.offset_58 0)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_58) (+ v_main_~end~0.offset_58 4)))) (and (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| v_prenex_100) v_prenex_99) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (not (= v_prenex_100 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_100) v_prenex_99) main_~end~0.offset) (= ~unnamed1~0~RED (select (select |#memory_int| v_prenex_100) (+ v_prenex_99 4)))) (and (= (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.offset) (not (= main_~end~0.offset 0)) (not (= v_main_~end~0.offset_58 0)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_58) (+ v_main_~end~0.offset_58 4)))) (and (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| v_prenex_100) v_prenex_99) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (not (= v_prenex_100 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_100) v_prenex_99) main_~end~0.offset) (= ~unnamed1~0~RED (select (select |#memory_int| v_prenex_100) (+ v_prenex_99 4)))))) [2019-08-22 21:48:50,637 INFO L179 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 2350#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))) [2019-08-22 21:48:50,638 INFO L179 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 2275#(and (= 0 main_~end~0.base) (exists ((v_main_~end~0.offset_66 Int) (v_main_~end~0.base_66 Int)) (or (and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_66) v_main_~end~0.offset_66)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_66) v_main_~end~0.offset_66) main_~end~0.base) (not (= v_main_~end~0.base_66 0)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_66) (+ v_main_~end~0.offset_66 4)))) (and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_66) v_main_~end~0.offset_66)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_66) v_main_~end~0.offset_66) main_~end~0.base) (not (= v_main_~end~0.offset_66 0)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_66) (+ v_main_~end~0.offset_66 4)))))) (= main_~end~0.offset 0) (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)) [2019-08-22 21:48:50,652 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:48:50,652 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:48:50,654 INFO L168 Benchmark]: Toolchain (without parser) took 13462.76 ms. Allocated memory was 141.0 MB in the beginning and 291.5 MB in the end (delta: 150.5 MB). Free memory was 87.4 MB in the beginning and 152.8 MB in the end (delta: -65.4 MB). Peak memory consumption was 117.2 MB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,655 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,656 INFO L168 Benchmark]: CACSL2BoogieTranslator took 624.77 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 166.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,656 INFO L168 Benchmark]: Boogie Preprocessor took 65.98 ms. Allocated memory is still 201.3 MB. Free memory was 166.6 MB in the beginning and 163.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,657 INFO L168 Benchmark]: RCFGBuilder took 735.46 ms. Allocated memory is still 201.3 MB. Free memory was 163.6 MB in the beginning and 119.9 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,658 INFO L168 Benchmark]: Symbolic Interpretation took 12032.80 ms. Allocated memory was 201.3 MB in the beginning and 291.5 MB in the end (delta: 90.2 MB). Free memory was 119.9 MB in the beginning and 152.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. [2019-08-22 21:48:50,662 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1027]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2376#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base) (<= 0 main_~end~0.base) (<= 0 main_~list~0.offset) (<= 0 main_~list~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~list~0.base 0) (<= main_~end~0.base 0) (<= main_~list~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1036]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2095#(exists ((v_main_~end~0.offset_58 Int) (v_prenex_99 Int) (v_prenex_100 Int) (v_main_~end~0.base_58 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.offset) (not (= v_main_~end~0.offset_58 0)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_58) (+ v_main_~end~0.offset_58 4)))) (and (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| v_prenex_100) v_prenex_99) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (not (= v_prenex_100 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_100) v_prenex_99) main_~end~0.offset) (= ~unnamed1~0~RED (select (select |#memory_int| v_prenex_100) (+ v_prenex_99 4)))) (and (= (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.offset) (not (= main_~end~0.offset 0)) (not (= v_main_~end~0.offset_58 0)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_58) v_main_~end~0.offset_58) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_58) (+ v_main_~end~0.offset_58 4)))) (and (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| v_prenex_100) v_prenex_99) main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (not (= v_prenex_100 0)) (= (select (select |#memory_$Pointer$.offset| v_prenex_100) v_prenex_99) main_~end~0.offset) (= ~unnamed1~0~RED (select (select |#memory_int| v_prenex_100) (+ v_prenex_99 4)))))). Possible FailurePath: - UnprovableResult [Line: 1028]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2350#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1035]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 2275#(and (= 0 main_~end~0.base) (exists ((v_main_~end~0.offset_66 Int) (v_main_~end~0.base_66 Int)) (or (and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_66) v_main_~end~0.offset_66)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_66) v_main_~end~0.offset_66) main_~end~0.base) (not (= v_main_~end~0.base_66 0)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_66) (+ v_main_~end~0.offset_66 4)))) (and (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_66) v_main_~end~0.offset_66)) (= (select (select |#memory_$Pointer$.base| v_main_~end~0.base_66) v_main_~end~0.offset_66) main_~end~0.base) (not (= v_main_~end~0.offset_66 0)) (= ~unnamed1~0~RED (select (select |#memory_int| v_main_~end~0.base_66) (+ v_main_~end~0.offset_66 4)))))) (= main_~end~0.offset 0) (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 624.77 ms. Allocated memory was 141.0 MB in the beginning and 201.3 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 166.6 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.98 ms. Allocated memory is still 201.3 MB. Free memory was 166.6 MB in the beginning and 163.6 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 735.46 ms. Allocated memory is still 201.3 MB. Free memory was 163.6 MB in the beginning and 119.9 MB in the end (delta: 43.7 MB). Peak memory consumption was 43.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 12032.80 ms. Allocated memory was 201.3 MB in the beginning and 291.5 MB in the end (delta: 90.2 MB). Free memory was 119.9 MB in the beginning and 152.8 MB in the end (delta: -32.9 MB). Peak memory consumption was 89.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...