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 --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 09:55:56,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:55:56,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:55:56,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:55:56,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:55:56,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:55:56,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:55:56,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:55:56,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:55:56,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:55:56,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:55:56,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:55:56,606 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:55:56,607 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:55:56,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:55:56,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:55:56,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:55:56,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:55:56,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:55:56,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:55:56,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:55:56,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:55:56,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:55:56,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:55:56,620 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:55:56,621 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:55:56,621 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:55:56,622 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:55:56,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:55:56,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:55:56,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:55:56,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:55:56,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:55:56,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:55:56,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:55:56,626 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:55:56,627 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:55:56,627 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:55:56,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:55:56,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:55:56,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:55:56,630 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 [2019-09-17 09:55:56,643 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:55:56,644 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:55:56,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:55:56,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:55:56,645 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:55:56,646 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:55:56,646 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:55:56,646 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:55:56,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:55:56,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:55:56,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:55:56,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:55:56,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:55:56,647 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:55:56,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:55:56,648 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:55:56,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:55:56,648 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:55:56,648 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:55:56,648 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:55:56,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:55:56,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:55:56,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:55:56,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:55:56,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:55:56,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:55:56,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:55:56,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:55:56,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-17 09:55:56,689 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:55:56,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:55:56,710 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:55:56,711 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:55:56,711 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:55:56,712 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-09-17 09:55:56,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6333e0821/7d1682d08e914cafa204ccd64b0c75ac/FLAGbce6100cb [2019-09-17 09:55:57,317 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:55:57,319 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_circular_traversal-1.i [2019-09-17 09:55:57,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6333e0821/7d1682d08e914cafa204ccd64b0c75ac/FLAGbce6100cb [2019-09-17 09:55:57,661 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6333e0821/7d1682d08e914cafa204ccd64b0c75ac [2019-09-17 09:55:57,670 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:55:57,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:55:57,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:55:57,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:55:57,676 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:55:57,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:55:57" (1/1) ... [2019-09-17 09:55:57,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2a32ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:57, skipping insertion in model container [2019-09-17 09:55:57,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:55:57" (1/1) ... [2019-09-17 09:55:57,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:55:57,752 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:55:58,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:55:58,248 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:55:58,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:55:58,368 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:55:58,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58 WrapperNode [2019-09-17 09:55:58,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:55:58,370 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:55:58,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:55:58,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:55:58,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,400 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (1/1) ... [2019-09-17 09:55:58,429 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:55:58,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:55:58,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:55:58,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:55:58,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:55:58" (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 [2019-09-17 09:55:58,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:55:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:55:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-17 09:55:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-17 09:55:58,487 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-17 09:55:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-09-17 09:55:58,488 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:55:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:55:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-17 09:55:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-17 09:55:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-17 09:55:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-17 09:55:58,490 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-17 09:55:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-17 09:55:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-17 09:55:58,491 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-17 09:55:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-17 09:55:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-17 09:55:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-17 09:55:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-17 09:55:58,492 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-17 09:55:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-17 09:55:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-17 09:55:58,493 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-17 09:55:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-17 09:55:58,494 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-17 09:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-17 09:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-17 09:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-17 09:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-17 09:55:58,496 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-17 09:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-17 09:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-17 09:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-17 09:55:58,497 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-17 09:55:58,498 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-17 09:55:58,499 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-17 09:55:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-17 09:55:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-17 09:55:58,501 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-17 09:55:58,502 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-17 09:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-17 09:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-17 09:55:58,503 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-17 09:55:58,504 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-17 09:55:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-17 09:55:58,505 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-17 09:55:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-17 09:55:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-17 09:55:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-17 09:55:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-17 09:55:58,506 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-17 09:55:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-17 09:55:58,507 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-17 09:55:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-17 09:55:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-17 09:55:58,508 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-17 09:55:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-17 09:55:58,509 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-17 09:55:58,510 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-17 09:55:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-17 09:55:58,511 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-17 09:55:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-17 09:55:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-17 09:55:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-17 09:55:58,512 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-17 09:55:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-17 09:55:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-17 09:55:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-17 09:55:58,513 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-17 09:55:58,514 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-17 09:55:58,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:55:58,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:55:58,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:55:58,825 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-17 09:55:59,048 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:55:59,048 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-17 09:55:59,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:55:59 BoogieIcfgContainer [2019-09-17 09:55:59,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:55:59,050 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:55:59,050 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:55:59,050 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:55:59,052 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:55:59" (1/1) ... [2019-09-17 09:55:59,052 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 09:55:59,076 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:55:59,076 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:55:59,083 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:55:59,092 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:55:59,094 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:55:59,239 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 09:55:59,376 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-17 09:56:01,264 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 57 [2019-09-17 09:56:01,412 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:56:01,413 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:56:01,416 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 78#true [2019-09-17 09:56:01,428 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:56:01,428 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:56:01,430 INFO L168 Benchmark]: Toolchain (without parser) took 3758.54 ms. Allocated memory was 138.9 MB in the beginning and 264.2 MB in the end (delta: 125.3 MB). Free memory was 83.7 MB in the beginning and 136.9 MB in the end (delta: -53.2 MB). Peak memory consumption was 72.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,430 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,431 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.60 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.5 MB in the beginning and 162.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,432 INFO L168 Benchmark]: Boogie Preprocessor took 59.31 ms. Allocated memory is still 198.7 MB. Free memory was 162.2 MB in the beginning and 159.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,432 INFO L168 Benchmark]: RCFGBuilder took 620.03 ms. Allocated memory is still 198.7 MB. Free memory was 159.8 MB in the beginning and 113.9 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,433 INFO L168 Benchmark]: Sifa took 2378.12 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 113.3 MB in the beginning and 136.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 42.0 MB. Max. memory is 7.1 GB. [2019-09-17 09:56:01,436 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 103.7 MB in the beginning and 103.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.60 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 83.5 MB in the beginning and 162.2 MB in the end (delta: -78.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.31 ms. Allocated memory is still 198.7 MB. Free memory was 162.2 MB in the beginning and 159.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 620.03 ms. Allocated memory is still 198.7 MB. Free memory was 159.8 MB in the beginning and 113.9 MB in the end (delta: 45.9 MB). Peak memory consumption was 45.9 MB. Max. memory is 7.1 GB. * Sifa took 2378.12 ms. Allocated memory was 198.7 MB in the beginning and 264.2 MB in the end (delta: 65.5 MB). Free memory was 113.3 MB in the beginning and 136.9 MB in the end (delta: -23.6 MB). Peak memory consumption was 42.0 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]: 2340, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 55, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 1930, TOOLS_POST_CALL_APPLICATIONS: 6, TOOLS_POST_CALL_TIME[ms]: 37, TOOLS_POST_RETURN_APPLICATIONS: 5, TOOLS_POST_RETURN_TIME[ms]: 8, TOOLS_QUANTIFIERELIM_APPLICATIONS: 57, TOOLS_QUANTIFIERELIM_TIME[ms]: 1936, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 266, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 62, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 15, DOMAIN_JOIN_TIME[ms]: 225, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 10, DOMAIN_ISBOTTOM_APPLICATIONS: 9, DOMAIN_ISBOTTOM_TIME[ms]: 22, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1575, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1574, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 5, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1429, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1428, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 27, DAG_COMPRESSION_PROCESSED_NODES: 182, DAG_COMPRESSION_RETAINED_NODES: 72 - UnprovableResult [Line: 609]: 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 78#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...