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/list-simple/sll2c_prepend_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:02:59,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:02:59,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:02:59,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:02:59,359 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:02:59,360 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:02:59,362 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:02:59,364 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:02:59,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:02:59,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:02:59,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:02:59,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:02:59,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:02:59,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:02:59,370 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:02:59,371 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:02:59,372 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:02:59,373 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:02:59,375 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:02:59,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:02:59,379 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:02:59,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:02:59,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:02:59,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:02:59,384 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:02:59,384 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:02:59,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:02:59,386 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:02:59,386 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:02:59,387 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:02:59,387 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:02:59,388 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:02:59,389 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:02:59,390 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:02:59,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:02:59,391 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:02:59,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:02:59,392 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:02:59,392 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:02:59,393 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:02:59,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:02:59,394 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 09:02:59,409 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:02:59,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:02:59,411 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:02:59,411 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:02:59,411 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:02:59,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:02:59,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:02:59,412 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:02:59,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:02:59,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:02:59,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:02:59,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:02:59,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:02:59,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:02:59,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:02:59,414 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:02:59,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:02:59,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:02:59,414 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:02:59,414 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:02:59,415 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:02:59,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:02:59,415 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:02:59,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:02:59,416 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:02:59,417 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:02:59,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:02:59,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:02:59,417 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 09:02:59,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:02:59,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:02:59,483 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:02:59,485 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:02:59,485 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:02:59,486 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-09-06 09:02:59,560 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d7130ac/ccbdbedfffe74b8899624267c59f690f/FLAG1058e4005 [2019-09-06 09:03:00,130 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:03:00,131 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_prepend_unequal.i [2019-09-06 09:03:00,159 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d7130ac/ccbdbedfffe74b8899624267c59f690f/FLAG1058e4005 [2019-09-06 09:03:00,406 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70d7130ac/ccbdbedfffe74b8899624267c59f690f [2019-09-06 09:03:00,418 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:03:00,419 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:03:00,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:03:00,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:03:00,423 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:03:00,424 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:03:00" (1/1) ... [2019-09-06 09:03:00,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da35d12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:00, skipping insertion in model container [2019-09-06 09:03:00,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:03:00" (1/1) ... [2019-09-06 09:03:00,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:03:00,488 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:03:00,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:03:00,952 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:03:00,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:03:01,057 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:03:01,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01 WrapperNode [2019-09-06 09:03:01,058 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:03:01,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:03:01,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:03:01,059 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:03:01,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,142 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,164 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:03:01,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:03:01,178 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:03:01,178 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:03:01,179 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:01" (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 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-06 09:03:01,252 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-06 09:03:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-06 09:03:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_destroy [2019-09-06 09:03:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_prepend [2019-09-06 09:03:01,253 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:03:01,254 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:03:01,255 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:03:01,256 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:03:01,257 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:03:01,258 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:03:01,259 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:03:01,260 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:03:01,261 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:03:01,262 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:03:01,263 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:03:01,264 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:03:01,265 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:03:01,266 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:03:01,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:03:01,268 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:03:01,269 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-06 09:03:01,270 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_destroy [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:03:01,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_prepend [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 09:03:01,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:03:01,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:03:01,646 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-06 09:03:01,911 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:03:01,912 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 09:03:01,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:03:01 BoogieIcfgContainer [2019-09-06 09:03:01,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:03:01,913 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:03:01,914 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:03:01,914 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:03:01,915 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:03:01" (1/1) ... [2019-09-06 09:03:01,916 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 09:03:01,955 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:03:01,959 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:03:01,976 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:03:01,993 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:03:01,995 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:03:02,063 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-06 09:03:02,205 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-06 09:03:03,000 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:03:03,000 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:03:03,003 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 136#true [2019-09-06 09:03:03,022 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:03:03,022 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:03:03,029 INFO L168 Benchmark]: Toolchain (without parser) took 2604.80 ms. Allocated memory was 134.2 MB in the beginning and 228.6 MB in the end (delta: 94.4 MB). Free memory was 89.0 MB in the beginning and 127.7 MB in the end (delta: -38.7 MB). Peak memory consumption was 55.6 MB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,033 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,038 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.15 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.8 MB in the beginning and 162.5 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,039 INFO L168 Benchmark]: Boogie Preprocessor took 115.64 ms. Allocated memory is still 201.9 MB. Free memory was 162.5 MB in the beginning and 159.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,039 INFO L168 Benchmark]: RCFGBuilder took 738.09 ms. Allocated memory is still 201.9 MB. Free memory was 159.0 MB in the beginning and 108.3 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,040 INFO L168 Benchmark]: Sifa took 1109.13 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 108.3 MB in the beginning and 127.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 7.1 GB. [2019-09-06 09:03:03,050 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 134.2 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 638.15 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.8 MB in the beginning and 162.5 MB in the end (delta: -73.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.64 ms. Allocated memory is still 201.9 MB. Free memory was 162.5 MB in the beginning and 159.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 738.09 ms. Allocated memory is still 201.9 MB. Free memory was 159.0 MB in the beginning and 108.3 MB in the end (delta: 50.7 MB). Peak memory consumption was 50.7 MB. Max. memory is 7.1 GB. * Sifa took 1109.13 ms. Allocated memory was 201.9 MB in the beginning and 228.6 MB in the end (delta: 26.7 MB). Free memory was 108.3 MB in the beginning and 127.7 MB in the end (delta: -19.4 MB). Peak memory consumption was 7.3 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]: 1049, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 89, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 74, TOOLS_POST_TIME[ms]: 617, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME[ms]: 163, TOOLS_POST_RETURN_APPLICATIONS: 11, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 763, FLUID_QUERY_TIME[ms]: 7, FLUID_QUERIES: 97, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 28, DOMAIN_JOIN_TIME[ms]: 37, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 18, DOMAIN_ISSUBSETEQ_APPLICATIONS: 19, DOMAIN_ISSUBSETEQ_TIME[ms]: 35, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 315, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 314, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 8, CALL_SUMMARIZER_APPLICATIONS: 11, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 771, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 26, DAG_COMPRESSION_PROCESSED_NODES: 197, DAG_COMPRESSION_RETAINED_NODES: 82 - UnprovableResult [Line: 634]: 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 136#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...