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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid AlwaysFluid --sifa.intern.fluid AlwaysFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/heap-data/process_queue.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 22:27:58,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 22:27:58,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 22:27:58,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 22:27:58,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 22:27:58,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 22:27:58,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 22:27:58,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 22:27:58,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 22:27:58,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 22:27:58,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 22:27:58,176 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 22:27:58,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 22:27:58,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 22:27:58,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 22:27:58,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 22:27:58,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 22:27:58,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 22:27:58,183 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 22:27:58,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 22:27:58,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 22:27:58,190 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 22:27:58,191 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 22:27:58,192 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 22:27:58,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 22:27:58,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 22:27:58,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 22:27:58,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 22:27:58,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 22:27:58,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 22:27:58,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 22:27:58,203 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 22:27:58,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 22:27:58,205 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 22:27:58,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 22:27:58,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 22:27:58,207 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 22:27:58,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 22:27:58,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 22:27:58,213 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 22:27:58,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 22:27:58,217 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 [2019-09-20 22:27:58,242 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 22:27:58,242 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 22:27:58,244 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 22:27:58,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 22:27:58,245 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 22:27:58,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 22:27:58,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 22:27:58,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 22:27:58,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 22:27:58,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 22:27:58,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 22:27:58,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 22:27:58,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 22:27:58,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 22:27:58,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 22:27:58,249 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 22:27:58,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 22:27:58,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 22:27:58,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 22:27:58,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 22:27:58,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 22:27:58,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 22:27:58,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 22:27:58,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 22:27:58,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 22:27:58,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 22:27:58,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 22:27:58,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 22:27:58,252 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> AlwaysFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 22:27:58,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 22:27:58,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 22:27:58,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 22:27:58,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 22:27:58,329 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 22:27:58,330 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-data/process_queue.i [2019-09-20 22:27:58,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27df5488/5fcff625fd7241f987ad4a045186b1b3/FLAG0ed5cbb5c [2019-09-20 22:27:58,946 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 22:27:58,948 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-data/process_queue.i [2019-09-20 22:27:58,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27df5488/5fcff625fd7241f987ad4a045186b1b3/FLAG0ed5cbb5c [2019-09-20 22:27:59,250 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d27df5488/5fcff625fd7241f987ad4a045186b1b3 [2019-09-20 22:27:59,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 22:27:59,264 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 22:27:59,265 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:59,265 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 22:27:59,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 22:27:59,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aa3293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59, skipping insertion in model container [2019-09-20 22:27:59,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,278 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 22:27:59,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 22:27:59,732 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:59,747 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 22:27:59,800 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 22:27:59,862 INFO L192 MainTranslator]: Completed translation [2019-09-20 22:27:59,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59 WrapperNode [2019-09-20 22:27:59,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 22:27:59,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 22:27:59,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 22:27:59,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 22:27:59,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (1/1) ... [2019-09-20 22:27:59,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 22:27:59,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 22:27:59,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 22:27:59,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 22:27:59,941 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 10:27:59" (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 [2019-09-20 22:28:00,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 22:28:00,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure run_process [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure choose_next [2019-09-20 22:28:00,001 INFO L138 BoogieDeclarations]: Found implementation of procedure check_queue [2019-09-20 22:28:00,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 22:28:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 22:28:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 22:28:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 22:28:00,002 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 22:28:00,003 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 22:28:00,004 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 22:28:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 22:28:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 22:28:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 22:28:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 22:28:00,005 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 22:28:00,006 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 22:28:00,007 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 22:28:00,008 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 22:28:00,009 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 22:28:00,010 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 22:28:00,011 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 22:28:00,012 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 22:28:00,013 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 22:28:00,014 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 22:28:00,015 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 22:28:00,016 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 22:28:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 22:28:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure run_process [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 22:28:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure choose_next [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure check_queue [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 22:28:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 22:28:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 22:28:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 22:28:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 22:28:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 22:28:00,913 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 22:28:00,913 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 22:28:00,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:28:00 BoogieIcfgContainer [2019-09-20 22:28:00,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 22:28:00,915 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 22:28:00,916 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 22:28:00,916 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 22:28:00,917 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 10:28:00" (1/1) ... [2019-09-20 22:28:00,918 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=AlwaysFluid ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=AlwaysFluid [2019-09-20 22:28:00,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 22:28:00,943 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 22:28:00,951 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 22:28:00,960 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 22:28:00,962 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 22:28:01,104 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 16 for LOIs [2019-09-20 22:28:01,403 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-20 22:28:01,527 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 22:28:01,673 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 22:28:03,017 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-09-20 22:28:03,658 WARN L191 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 22:28:04,212 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-09-20 22:28:04,674 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-09-20 22:28:05,160 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 22:28:05,628 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 22:28:06,010 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-20 22:28:06,216 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 22:28:06,456 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 22:28:07,097 INFO L199 IcfgInterpreter]: Interpreting procedure check_queue with input of size 1 for LOIs [2019-09-20 22:28:07,133 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 22:28:07,134 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 22:28:07,136 INFO L193 IcfgInterpreter]: Reachable states at location check_queueErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 187#true [2019-09-20 22:28:07,155 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 22:28:07,155 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 22:28:07,157 INFO L168 Benchmark]: Toolchain (without parser) took 7893.27 ms. Allocated memory was 137.9 MB in the beginning and 296.7 MB in the end (delta: 158.9 MB). Free memory was 86.4 MB in the beginning and 146.2 MB in the end (delta: -59.8 MB). Peak memory consumption was 99.1 MB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,158 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,158 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.55 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 86.2 MB in the beginning and 165.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,159 INFO L168 Benchmark]: Boogie Preprocessor took 75.61 ms. Allocated memory is still 201.3 MB. Free memory was 165.4 MB in the beginning and 162.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,159 INFO L168 Benchmark]: RCFGBuilder took 975.30 ms. Allocated memory is still 201.3 MB. Free memory was 161.9 MB in the beginning and 100.5 MB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,160 INFO L168 Benchmark]: Sifa took 6239.96 ms. Allocated memory was 201.3 MB in the beginning and 296.7 MB in the end (delta: 95.4 MB). Free memory was 100.5 MB in the beginning and 146.2 MB in the end (delta: -45.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 7.1 GB. [2019-09-20 22:28:07,163 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.55 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 86.2 MB in the beginning and 165.4 MB in the end (delta: -79.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.61 ms. Allocated memory is still 201.3 MB. Free memory was 165.4 MB in the beginning and 162.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 975.30 ms. Allocated memory is still 201.3 MB. Free memory was 161.9 MB in the beginning and 100.5 MB in the end (delta: 61.4 MB). Peak memory consumption was 61.4 MB. Max. memory is 7.1 GB. * Sifa took 6239.96 ms. Allocated memory was 201.3 MB in the beginning and 296.7 MB in the end (delta: 95.4 MB). Free memory was 100.5 MB in the beginning and 146.2 MB in the end (delta: -45.7 MB). Peak memory consumption was 49.7 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]: 6193, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 64, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 47, TOOLS_POST_TIME[ms]: 5800, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME[ms]: 25, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 11, TOOLS_QUANTIFIERELIM_APPLICATIONS: 65, TOOLS_QUANTIFIERELIM_TIME[ms]: 5810, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 4297, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 68, FLUID_YES_ANSWERS: 68, DOMAIN_JOIN_APPLICATIONS: 20, DOMAIN_JOIN_TIME[ms]: 167, DOMAIN_ALPHA_APPLICATIONS: 68, DOMAIN_ALPHA_TIME[ms]: 100, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 2, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 10, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 4924, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4923, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 4749, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 4747, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 18, DAG_COMPRESSION_PROCESSED_NODES: 181, DAG_COMPRESSION_RETAINED_NODES: 81 - UnprovableResult [Line: 589]: 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 187#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...