/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:05:53,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:05:53,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:05:53,183 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:05:53,183 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:05:53,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:05:53,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:05:53,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:05:53,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:05:53,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:05:53,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:05:53,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:05:53,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:05:53,209 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:05:53,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:05:53,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:05:53,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:05:53,217 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:05:53,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:05:53,225 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:05:53,228 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:05:53,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:05:53,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:05:53,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:05:53,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:05:53,238 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:05:53,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:05:53,240 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:05:53,240 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:05:53,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:05:53,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:05:53,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:05:53,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:05:53,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:05:53,248 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:05:53,248 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:05:53,249 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:05:53,249 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:05:53,249 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:05:53,250 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:05:53,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:05:53,251 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 [2019-11-07 10:05:53,269 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:05:53,269 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:05:53,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:05:53,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:05:53,271 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:05:53,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:05:53,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:05:53,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:05:53,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:05:53,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:05:53,273 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:05:53,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:05:53,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:05:53,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:05:53,274 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:05:53,274 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:05:53,274 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:05:53,275 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:05:53,275 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:05:53,275 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:05:53,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:05:53,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:05:53,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:05:53,276 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:05:53,547 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:05:53,569 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:05:53,572 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:05:53,573 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:05:53,574 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:05:53,574 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-07 10:05:53,645 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcee877f3/066c3156b56e49708f1495680222b36b/FLAG0d5484b1d [2019-11-07 10:05:54,146 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:05:54,148 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-11-07 10:05:54,162 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcee877f3/066c3156b56e49708f1495680222b36b/FLAG0d5484b1d [2019-11-07 10:05:54,478 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bcee877f3/066c3156b56e49708f1495680222b36b [2019-11-07 10:05:54,486 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:05:54,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:05:54,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:05:54,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:05:54,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:05:54,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:05:54" (1/1) ... [2019-11-07 10:05:54,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf216e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:54, skipping insertion in model container [2019-11-07 10:05:54,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:05:54" (1/1) ... [2019-11-07 10:05:54,505 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:05:54,561 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:05:55,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:05:55,045 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:05:55,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:05:55,167 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:05:55,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55 WrapperNode [2019-11-07 10:05:55,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:05:55,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:05:55,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:05:55,169 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:05:55,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (1/1) ... [2019-11-07 10:05:55,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:05:55,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:05:55,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:05:55,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:05:55,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:05:55" (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 [2019-11-07 10:05:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:05:55,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-11-07 10:05:55,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-11-07 10:05:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-11-07 10:05:55,305 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:05:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:05:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 10:05:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 10:05:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 10:05:55,305 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 10:05:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 10:05:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 10:05:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 10:05:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 10:05:55,306 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 10:05:55,307 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 10:05:55,308 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 10:05:55,309 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 10:05:55,310 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 10:05:55,311 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 10:05:55,312 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 10:05:55,313 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 10:05:55,314 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 10:05:55,315 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 10:05:55,316 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 10:05:55,317 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 10:05:55,318 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 10:05:55,319 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 10:05:55,320 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 10:05:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-11-07 10:05:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:05:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:05:55,681 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 10:05:56,241 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:05:56,241 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-07 10:05:56,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:05:56 BoogieIcfgContainer [2019-11-07 10:05:56,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:05:56,244 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:05:56,244 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:05:56,244 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:05:56,246 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:05:56" (1/1) ... [2019-11-07 10:05:56,247 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:05:56,278 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:05:56,279 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:05:56,289 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:05:56,309 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:05:56,311 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:05:56,494 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-11-07 10:05:56,967 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 10:05:57,165 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:05:57,177 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:05:57,178 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:05:57,180 INFO L168 Benchmark]: Toolchain (without parser) took 2691.75 ms. Allocated memory was 136.3 MB in the beginning and 230.7 MB in the end (delta: 94.4 MB). Free memory was 98.2 MB in the beginning and 136.0 MB in the end (delta: -37.8 MB). Peak memory consumption was 56.6 MB. Max. memory is 7.1 GB. [2019-11-07 10:05:57,181 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:05:57,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 678.71 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 166.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:05:57,182 INFO L168 Benchmark]: Boogie Preprocessor took 69.50 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 163.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:05:57,191 INFO L168 Benchmark]: RCFGBuilder took 1005.38 ms. Allocated memory is still 201.9 MB. Free memory was 163.2 MB in the beginning and 92.0 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. [2019-11-07 10:05:57,192 INFO L168 Benchmark]: Sifa took 934.07 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 92.0 MB in the beginning and 136.0 MB in the end (delta: -44.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 10:05:57,200 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 118.2 MB in the beginning and 118.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 678.71 ms. Allocated memory was 136.3 MB in the beginning and 201.9 MB in the end (delta: 65.5 MB). Free memory was 98.0 MB in the beginning and 166.6 MB in the end (delta: -68.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.50 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 163.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1005.38 ms. Allocated memory is still 201.9 MB. Free memory was 163.2 MB in the beginning and 92.0 MB in the end (delta: 71.2 MB). Peak memory consumption was 71.2 MB. Max. memory is 7.1 GB. * Sifa took 934.07 ms. Allocated memory was 201.9 MB in the beginning and 230.7 MB in the end (delta: 28.8 MB). Free memory was 92.0 MB in the beginning and 136.0 MB in the end (delta: -44.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 887, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 8, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 42, TOOLS_POST_TIME[ms]: 411, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 30, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 51, TOOLS_QUANTIFIERELIM_TIME[ms]: 414, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 106, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 9, DOMAIN_JOIN_TIME[ms]: 272, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 4, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 25, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 12, DOMAIN_ISBOTTOM_APPLICATIONS: 8, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 420, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 419, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 112, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 111, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 141, DAG_COMPRESSION_RETAINED_NODES: 57 - UnprovableResult [Line: 601]: 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 118#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...