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-ext3-properties/sll_length_check-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 09:03:57,536 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 09:03:57,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 09:03:57,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 09:03:57,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 09:03:57,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 09:03:57,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 09:03:57,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 09:03:57,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 09:03:57,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 09:03:57,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 09:03:57,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 09:03:57,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 09:03:57,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 09:03:57,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 09:03:57,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 09:03:57,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 09:03:57,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 09:03:57,566 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 09:03:57,568 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 09:03:57,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 09:03:57,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 09:03:57,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 09:03:57,573 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 09:03:57,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 09:03:57,576 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 09:03:57,577 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 09:03:57,577 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 09:03:57,578 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 09:03:57,579 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 09:03:57,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 09:03:57,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 09:03:57,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 09:03:57,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 09:03:57,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 09:03:57,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 09:03:57,584 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 09:03:57,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 09:03:57,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 09:03:57,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 09:03:57,586 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 09:03:57,587 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 09:03:57,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 09:03:57,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 09:03:57,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 09:03:57,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 09:03:57,604 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 09:03:57,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 09:03:57,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 09:03:57,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 09:03:57,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 09:03:57,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 09:03:57,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 09:03:57,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 09:03:57,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 09:03:57,606 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 09:03:57,606 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 09:03:57,606 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 09:03:57,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 09:03:57,607 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 09:03:57,607 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 09:03:57,607 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 09:03:57,607 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 09:03:57,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 09:03:57,608 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 09:03:57,608 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 09:03:57,608 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 09:03:57,608 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 09:03:57,609 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 09:03:57,609 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 09:03:57,609 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 09:03:57,638 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 09:03:57,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 09:03:57,654 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 09:03:57,655 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 09:03:57,656 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 09:03:57,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-09-06 09:03:57,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ccd3442/8acc19d4e0e74813b8fb115f5e3d5096/FLAG0334fcfb7 [2019-09-06 09:03:58,212 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 09:03:58,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_length_check-2.i [2019-09-06 09:03:58,240 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ccd3442/8acc19d4e0e74813b8fb115f5e3d5096/FLAG0334fcfb7 [2019-09-06 09:03:58,560 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7ccd3442/8acc19d4e0e74813b8fb115f5e3d5096 [2019-09-06 09:03:58,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 09:03:58,573 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 09:03:58,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 09:03:58,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 09:03:58,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 09:03:58,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:03:58" (1/1) ... [2019-09-06 09:03:58,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c543f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:58, skipping insertion in model container [2019-09-06 09:03:58,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 09:03:58" (1/1) ... [2019-09-06 09:03:58,590 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 09:03:58,644 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 09:03:59,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:03:59,052 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 09:03:59,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 09:03:59,148 INFO L192 MainTranslator]: Completed translation [2019-09-06 09:03:59,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59 WrapperNode [2019-09-06 09:03:59,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 09:03:59,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 09:03:59,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 09:03:59,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 09:03:59,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 09:03:59,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 09:03:59,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 09:03:59,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 09:03:59,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 09:03:59" (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 [2019-09-06 09:03:59,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 09:03:59,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 09:03:59,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-06 09:03:59,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-06 09:03:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-06 09:03:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-09-06 09:03:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-09-06 09:03:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-09-06 09:03:59,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 09:03:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 09:03:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 09:03:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-06 09:03:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-06 09:03:59,271 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-06 09:03:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-06 09:03:59,272 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-06 09:03:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-06 09:03:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-06 09:03:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-06 09:03:59,275 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-06 09:03:59,276 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-06 09:03:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-06 09:03:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-06 09:03:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-06 09:03:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-06 09:03:59,277 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-06 09:03:59,278 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-06 09:03:59,279 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-06 09:03:59,280 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-06 09:03:59,281 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-06 09:03:59,282 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-06 09:03:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-06 09:03:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-06 09:03:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-06 09:03:59,283 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-06 09:03:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-06 09:03:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 09:03:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-06 09:03:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-06 09:03:59,284 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-06 09:03:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-06 09:03:59,285 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-06 09:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-06 09:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-06 09:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-06 09:03:59,286 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-06 09:03:59,287 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-06 09:03:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-06 09:03:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-06 09:03:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-06 09:03:59,288 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-06 09:03:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-06 09:03:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-06 09:03:59,289 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-06 09:03:59,290 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-06 09:03:59,291 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-06 09:03:59,292 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-06 09:03:59,293 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-06 09:03:59,294 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-06 09:03:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-06 09:03:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-09-06 09:03:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 09:03:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 09:03:59,295 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-09-06 09:03:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 09:03:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-09-06 09:03:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 09:03:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 09:03:59,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 09:03:59,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 09:03:59,647 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-06 09:03:59,775 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 09:03:59,776 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-06 09:03:59,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:03:59 BoogieIcfgContainer [2019-09-06 09:03:59,777 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 09:03:59,778 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 09:03:59,778 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 09:03:59,778 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 09:03:59,780 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 09:03:59" (1/1) ... [2019-09-06 09:03:59,780 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 09:03:59,803 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 09:03:59,803 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 09:03:59,811 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 09:03:59,820 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 09:03:59,822 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 09:03:59,888 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 20 for LOIs [2019-09-06 09:04:00,018 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-06 09:04:00,288 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 09:04:00,288 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 09:04:00,290 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 102#(or (and (<= |#NULL.base| 0) (<= 2 main_~len~1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= main_~len~1 2147483646) (<= |#NULL.base| 0) (<= 2 main_~len~1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))) [2019-09-06 09:04:00,305 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 09:04:00,306 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 09:04:00,308 INFO L168 Benchmark]: Toolchain (without parser) took 1734.58 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 84.6 MB in the end (delta: -193.2 kB). Peak memory consumption was 60.1 MB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,310 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.53 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 162.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,317 INFO L168 Benchmark]: Boogie Preprocessor took 54.99 ms. Allocated memory is still 198.7 MB. Free memory was 162.0 MB in the beginning and 158.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,317 INFO L168 Benchmark]: RCFGBuilder took 572.58 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 117.6 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,318 INFO L168 Benchmark]: Sifa took 528.04 ms. Allocated memory is still 198.7 MB. Free memory was 117.0 MB in the beginning and 84.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-09-06 09:04:00,331 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 138.4 MB. Free memory was 104.5 MB in the beginning and 104.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 574.53 ms. Allocated memory was 138.4 MB in the beginning and 198.7 MB in the end (delta: 60.3 MB). Free memory was 84.2 MB in the beginning and 162.0 MB in the end (delta: -77.7 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 54.99 ms. Allocated memory is still 198.7 MB. Free memory was 162.0 MB in the beginning and 158.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 572.58 ms. Allocated memory is still 198.7 MB. Free memory was 158.6 MB in the beginning and 117.6 MB in the end (delta: 40.9 MB). Peak memory consumption was 40.9 MB. Max. memory is 7.1 GB. * Sifa took 528.04 ms. Allocated memory is still 198.7 MB. Free memory was 117.0 MB in the beginning and 84.6 MB in the end (delta: 32.4 MB). Peak memory consumption was 32.4 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]: 487, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 67, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 50, TOOLS_POST_TIME[ms]: 223, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 35, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 237, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 74, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 25, DOMAIN_JOIN_TIME[ms]: 56, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 15, DOMAIN_ISSUBSETEQ_APPLICATIONS: 11, DOMAIN_ISSUBSETEQ_TIME[ms]: 31, DOMAIN_ISBOTTOM_APPLICATIONS: 11, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 288, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 288, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 294, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 17, DAG_COMPRESSION_PROCESSED_NODES: 154, DAG_COMPRESSION_RETAINED_NODES: 89 - UnprovableResult [Line: 602]: 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 102#(or (and (<= |#NULL.base| 0) (<= 2 main_~len~1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) (and (<= main_~len~1 2147483646) (<= |#NULL.base| 0) (<= 2 main_~len~1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...