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 --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:59:50,265 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:59:50,267 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:59:50,279 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:59:50,280 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:59:50,281 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:59:50,282 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:59:50,284 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:59:50,286 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:59:50,286 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:59:50,287 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:59:50,288 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:59:50,289 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:59:50,290 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:59:50,290 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:59:50,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:59:50,292 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:59:50,293 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:59:50,295 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:59:50,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:59:50,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:59:50,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:59:50,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:59:50,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:59:50,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:59:50,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:59:50,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:59:50,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:59:50,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:59:50,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:59:50,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:59:50,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:59:50,310 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:59:50,311 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:59:50,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:59:50,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:59:50,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:59:50,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:59:50,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:59:50,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:59:50,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:59:50,315 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 [2019-09-06 08:59:50,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:59:50,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:59:50,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:59:50,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:59:50,334 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:59:50,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:59:50,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:59:50,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:59:50,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:59:50,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:59:50,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:59:50,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:59:50,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:59:50,337 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:59:50,337 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:59:50,337 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:59:50,338 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:59:50,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:59:50,338 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:59:50,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:59:50,339 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:59:50,340 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:59:50,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:59:50,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:59:50,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:59:50,341 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:59:50,341 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:59:50,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:59:50,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:59:50,395 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:59:50,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:59:50,418 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:59:50,420 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:59:50,421 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:59:50,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1-1.i [2019-09-06 08:59:50,505 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc609050b/3eafef24a2d14fb9950e9324bf951d86/FLAGd800c3e4d [2019-09-06 08:59:51,009 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:59:51,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-rb-cnstr_1-1.i [2019-09-06 08:59:51,031 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc609050b/3eafef24a2d14fb9950e9324bf951d86/FLAGd800c3e4d [2019-09-06 08:59:51,304 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc609050b/3eafef24a2d14fb9950e9324bf951d86 [2019-09-06 08:59:51,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:59:51,317 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:59:51,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:51,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:59:51,322 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:59:51,323 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:51,325 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63ea11ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51, skipping insertion in model container [2019-09-06 08:59:51,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:51,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:59:51,379 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:59:51,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:51,845 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:59:51,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:59:51,950 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:59:51,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51 WrapperNode [2019-09-06 08:59:51,951 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:59:51,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:59:51,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:59:51,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:59:51,966 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:51,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:51,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:51,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:52,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:52,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:52,032 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (1/1) ... [2019-09-06 08:59:52,038 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:59:52,039 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:59:52,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:59:52,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:59:52,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:59:51" (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 [2019-09-06 08:59:52,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:59:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:59:52,103 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:59:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 08:59:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 08:59:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 08:59:52,103 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 08:59:52,104 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 08:59:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 08:59:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 08:59:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 08:59:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 08:59:52,105 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 08:59:52,106 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 08:59:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 08:59:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 08:59:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 08:59:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 08:59:52,107 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 08:59:52,108 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 08:59:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 08:59:52,110 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 08:59:52,111 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 08:59:52,112 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 08:59:52,113 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 08:59:52,114 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 08:59:52,115 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 08:59:52,116 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 08:59:52,117 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:59:52,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:59:52,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:59:52,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:59:52,707 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:59:52,707 INFO L283 CfgBuilder]: Removed 17 assume(true) statements. [2019-09-06 08:59:52,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:52 BoogieIcfgContainer [2019-09-06 08:59:52,710 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:59:52,710 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:59:52,710 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:59:52,711 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:59:52,713 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:59:52" (1/1) ... [2019-09-06 08:59:52,714 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:59:52,750 INFO L162 IcfgInterpreter]: Started Sifa with 7 locations of interest [2019-09-06 08:59:52,750 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:59:52,761 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:59:52,770 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:59:52,772 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:59:52,850 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 08:59:55,157 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 08:59:58,600 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:00,651 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:00,839 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:02,662 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:02,856 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:04,684 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:04,853 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:06,366 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:06,571 WARN L188 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:08,223 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:08,409 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:09,510 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:09,702 WARN L188 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:11,299 WARN L188 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:11,480 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:12,857 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:13,044 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:14,627 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:14,838 WARN L188 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:16,015 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:16,192 WARN L188 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:17,204 WARN L188 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:17,412 WARN L188 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:18,873 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:19,061 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:20,882 WARN L188 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:21,060 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:23,010 WARN L188 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:24,487 WARN L188 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:25,767 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:25,939 WARN L188 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:27,958 WARN L188 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:29,119 WARN L188 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2019-09-06 09:00:29,303 WARN L188 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:31,205 WARN L188 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:33,189 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:34,582 WARN L188 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-06 09:00:35,542 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:00:35,543 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:00:35,545 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 2159#true [2019-09-06 09:00:35,545 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 1737#true [2019-09-06 09:00:35,545 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1521#true [2019-09-06 09:00:35,545 INFO L193 IcfgInterpreter]: Reachable states at location mainErr5ASSERT_VIOLATIONERROR_FUNCTION satisfy 2131#(and (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)) [2019-09-06 09:00:35,546 INFO L193 IcfgInterpreter]: Reachable states at location mainErr6ASSERT_VIOLATIONERROR_FUNCTION satisfy 2087#true [2019-09-06 09:00:35,546 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 1674#(and (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)) [2019-09-06 09:00:35,546 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 1750#(and (<= 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)) [2019-09-06 09:00:35,562 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:00:35,562 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:00:35,563 INFO L168 Benchmark]: Toolchain (without parser) took 44247.62 ms. Allocated memory was 133.2 MB in the beginning and 971.5 MB in the end (delta: 838.3 MB). Free memory was 87.9 MB in the beginning and 210.4 MB in the end (delta: -122.5 MB). Peak memory consumption was 715.8 MB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,564 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,564 INFO L168 Benchmark]: CACSL2BoogieTranslator took 633.98 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 164.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,564 INFO L168 Benchmark]: Boogie Preprocessor took 86.78 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 160.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,564 INFO L168 Benchmark]: RCFGBuilder took 670.76 ms. Allocated memory is still 199.8 MB. Free memory was 160.9 MB in the beginning and 113.3 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,564 INFO L168 Benchmark]: Sifa took 42852.23 ms. Allocated memory was 199.8 MB in the beginning and 971.5 MB in the end (delta: 771.8 MB). Free memory was 113.3 MB in the beginning and 210.4 MB in the end (delta: -97.1 MB). Peak memory consumption was 674.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:00:35,565 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 633.98 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 87.6 MB in the beginning and 164.0 MB in the end (delta: -76.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.78 ms. Allocated memory is still 199.8 MB. Free memory was 164.0 MB in the beginning and 160.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 670.76 ms. Allocated memory is still 199.8 MB. Free memory was 160.9 MB in the beginning and 113.3 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * Sifa took 42852.23 ms. Allocated memory was 199.8 MB in the beginning and 971.5 MB in the end (delta: 771.8 MB). Free memory was 113.3 MB in the beginning and 210.4 MB in the end (delta: -97.1 MB). Peak memory consumption was 674.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 42797, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 1762, DAG_INTERPRETER_EARLY_EXITS: 61, TOOLS_POST_APPLICATIONS: 1483, TOOLS_POST_TIME[ms]: 41871, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 20, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_TIME[ms]: 41801, FLUID_QUERY_TIME[ms]: 19, FLUID_QUERIES: 1949, FLUID_YES_ANSWERS: 46, DOMAIN_JOIN_APPLICATIONS: 625, DOMAIN_JOIN_TIME[ms]: 51, DOMAIN_ALPHA_APPLICATIONS: 46, DOMAIN_ALPHA_TIME[ms]: 3, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 187, DOMAIN_ISSUBSETEQ_TIME[ms]: 26, DOMAIN_ISBOTTOM_APPLICATIONS: 443, DOMAIN_ISBOTTOM_TIME[ms]: 521, LOOP_SUMMARIZER_APPLICATIONS: 187, LOOP_SUMMARIZER_CACHE_MISSES: 187, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 39564, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 39561, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 187, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 19, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 9, DAG_COMPRESSION_TIME[ms]: 124, DAG_COMPRESSION_PROCESSED_NODES: 3265, DAG_COMPRESSION_RETAINED_NODES: 1528 - UnprovableResult [Line: 1033]: 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 2159#true. Possible FailurePath: - UnprovableResult [Line: 1024]: 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 1737#true. Possible FailurePath: - UnprovableResult [Line: 1023]: 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 1521#true. Possible FailurePath: - UnprovableResult [Line: 1039]: 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 2131#(and (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)). Possible FailurePath: - UnprovableResult [Line: 1040]: 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 2087#true. Possible FailurePath: - UnprovableResult [Line: 1025]: 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 1674#(and (<= 0 main_~end~0.base) (<= 0 main_~end~0.offset) (<= main_~end~0.offset 0) (<= main_~end~0.base 0)). Possible FailurePath: - UnprovableResult [Line: 1032]: 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 1750#(and (<= 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: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...