java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:28:32,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:28:32,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:28:32,596 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:28:32,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:28:32,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:28:32,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:28:32,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:28:32,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:28:32,603 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:28:32,604 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:28:32,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:28:32,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:28:32,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:28:32,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:28:32,608 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:28:32,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:28:32,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:28:32,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:28:32,614 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:28:32,615 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:28:32,617 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:28:32,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:28:32,619 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:28:32,622 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:28:32,622 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:28:32,622 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:28:32,623 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:28:32,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:28:32,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:28:32,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:28:32,629 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:28:32,630 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:28:32,631 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:28:32,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:28:32,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:28:32,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:28:32,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:28:32,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:28:32,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:28:32,640 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:28:32,641 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 19:28:32,665 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:28:32,665 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:28:32,667 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:28:32,667 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:28:32,668 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:28:32,668 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:28:32,668 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:28:32,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:28:32,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:28:32,669 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:28:32,670 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:28:32,670 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:28:32,670 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:28:32,670 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:28:32,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:28:32,671 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:28:32,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:28:32,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:28:32,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:28:32,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:28:32,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:28:32,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:28:32,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:28:32,673 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:28:32,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:28:32,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:28:32,673 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:28:32,674 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:28:32,674 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement 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 [2019-09-20 19:28:32,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:28:32,749 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:28:32,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:28:32,755 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:28:32,755 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:28:32,756 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-09-20 19:28:32,826 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041b0a095/7c33e8f93af44512ac5ed709d70d0e52/FLAGbe9276fbb [2019-09-20 19:28:33,357 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:28:33,359 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2n_prepend_equal.i [2019-09-20 19:28:33,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041b0a095/7c33e8f93af44512ac5ed709d70d0e52/FLAGbe9276fbb [2019-09-20 19:28:33,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/041b0a095/7c33e8f93af44512ac5ed709d70d0e52 [2019-09-20 19:28:33,717 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:28:33,718 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:28:33,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:28:33,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:28:33,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:28:33,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:28:33" (1/1) ... [2019-09-20 19:28:33,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7052cab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:33, skipping insertion in model container [2019-09-20 19:28:33,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:28:33" (1/1) ... [2019-09-20 19:28:33,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:28:33,775 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:28:34,194 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:28:34,204 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:28:34,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:28:34,317 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:28:34,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34 WrapperNode [2019-09-20 19:28:34,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:28:34,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:28:34,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:28:34,320 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:28:34,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,383 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... [2019-09-20 19:28:34,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:28:34,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:28:34,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:28:34,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:28:34,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:28:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:28:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:28:34,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:28:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-09-20 19:28:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-09-20 19:28:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-09-20 19:28:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-09-20 19:28:34,443 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2019-09-20 19:28:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2019-09-20 19:28:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_prepend [2019-09-20 19:28:34,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:28:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:28:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-09-20 19:28:34,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-09-20 19:28:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-20 19:28:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-20 19:28:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-20 19:28:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-20 19:28:34,445 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-20 19:28:34,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-20 19:28:34,447 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-20 19:28:34,448 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-20 19:28:34,449 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-20 19:28:34,450 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-20 19:28:34,451 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-20 19:28:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-20 19:28:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-20 19:28:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-20 19:28:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-20 19:28:34,452 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-20 19:28:34,453 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-20 19:28:34,454 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-20 19:28:34,455 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-20 19:28:34,456 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-20 19:28:34,457 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-20 19:28:34,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-20 19:28:34,459 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-20 19:28:34,460 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:28:34,461 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure dll_prepend [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:28:34,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:28:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:28:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:28:34,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:28:34,889 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-09-20 19:28:35,084 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:28:35,084 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:28:35,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:28:35 BoogieIcfgContainer [2019-09-20 19:28:35,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:28:35,086 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:28:35,087 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:28:35,087 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:28:35,088 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:28:35" (1/1) ... [2019-09-20 19:28:35,089 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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 [2019-09-20 19:28:35,114 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:28:35,114 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:28:35,131 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:28:35,143 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:28:35,144 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:28:35,284 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:28:35,622 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:36,427 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 19:28:36,589 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-20 19:28:36,606 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:36,775 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 76 [2019-09-20 19:28:37,096 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 19:28:37,561 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:37,685 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 19:28:37,892 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2019-09-20 19:28:38,113 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:28:38,473 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 75 [2019-09-20 19:28:38,880 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 73 [2019-09-20 19:28:39,212 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2019-09-20 19:28:39,363 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:28:39,817 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2019-09-20 19:28:40,261 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 97 [2019-09-20 19:28:40,494 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 19:28:40,929 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 87 [2019-09-20 19:28:40,967 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:41,022 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:41,564 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 102 [2019-09-20 19:28:42,103 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 95 [2019-09-20 19:28:42,349 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 19:28:43,374 WARN L191 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 99 [2019-09-20 19:28:43,691 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 19:28:43,942 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:28:44,154 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:28:44,357 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:28:44,858 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 93 [2019-09-20 19:28:44,945 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:45,402 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2019-09-20 19:28:45,515 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:45,531 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:45,725 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-09-20 19:28:46,172 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 19:28:46,522 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-09-20 19:28:46,900 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-09-20 19:28:47,037 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 19:28:47,324 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2019-09-20 19:28:47,493 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 19:28:47,827 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:47,844 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:48,035 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2019-09-20 19:28:48,202 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:28:48,421 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-09-20 19:28:48,843 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2019-09-20 19:28:49,018 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-20 19:28:49,359 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 55 [2019-09-20 19:28:49,467 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 19:28:49,918 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-09-20 19:28:50,390 WARN L98 DagInterpreter]: A function never reaches its return [2019-09-20 19:28:51,296 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-20 19:28:51,492 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 52 [2019-09-20 19:28:52,368 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 63 [2019-09-20 19:28:52,529 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 61 [2019-09-20 19:28:52,567 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:53,156 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:28:54,529 WARN L191 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-09-20 19:28:55,621 WARN L191 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 90 [2019-09-20 19:28:56,355 WARN L191 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2019-09-20 19:28:56,445 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:28:56,556 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 19:28:56,695 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 19:28:57,246 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:28:57,246 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:28:57,248 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 293#(or (and (not (= main_~count~0 (+ main_~len~0 1))) (or (and (= 0 main_~ptr~0.base) (= main_~ptr~0.offset 0) (exists ((v_main_~ptr~0.offset_10 Int) (v_main_~ptr~0.base_10 Int)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset)))) (and (= 0 main_~ptr~0.base) (= main_~count~0 0) (exists ((v_dll_prepend_~head.base_BEFORE_RETURN_1 Int) (v_dll_prepend_~head.offset_BEFORE_RETURN_1 Int)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_dll_prepend_~head.base_BEFORE_RETURN_1) v_dll_prepend_~head.offset_BEFORE_RETURN_1) 0) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2))) (= main_~ptr~0.offset 0)))) (exists ((v_prenex_26 Int) (v_main_~ptr~0.offset_10 Int) (v_prenex_23 Int) (v_prenex_25 Int) (v_dll_prepend_~head.base_BEFORE_RETURN_1 Int) (v_prenex_24 Int) (v_main_~ptr~0.base_10 Int) (v_dll_prepend_~head.offset_BEFORE_RETURN_1 Int)) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~ptr~0.offset 0)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= (select (select |#memory_$Pointer$.offset| v_prenex_25) v_prenex_26) 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_dll_prepend_~head.base_BEFORE_RETURN_1) v_dll_prepend_~head.offset_BEFORE_RETURN_1) 0) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (not (= 0 main_~ptr~0.base)) (= main_~len~0 2)) (and (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| v_prenex_24) v_prenex_23) main_~data~0) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (not (= main_~ptr~0.offset 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (not (= 0 main_~ptr~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset))))) [2019-09-20 19:28:57,260 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:28:57,260 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:28:57,261 INFO L168 Benchmark]: Toolchain (without parser) took 23543.16 ms. Allocated memory was 138.9 MB in the beginning and 474.0 MB in the end (delta: 335.0 MB). Free memory was 84.7 MB in the beginning and 309.3 MB in the end (delta: -224.6 MB). Peak memory consumption was 110.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,262 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.79 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 163.5 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,262 INFO L168 Benchmark]: Boogie Preprocessor took 70.48 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 161.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,263 INFO L168 Benchmark]: RCFGBuilder took 696.00 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 107.1 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,263 INFO L168 Benchmark]: Sifa took 22173.77 ms. Allocated memory was 200.3 MB in the beginning and 474.0 MB in the end (delta: 273.7 MB). Free memory was 107.1 MB in the beginning and 309.3 MB in the end (delta: -202.2 MB). Peak memory consumption was 71.5 MB. Max. memory is 7.1 GB. [2019-09-20 19:28:57,265 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 599.79 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.5 MB in the beginning and 163.5 MB in the end (delta: -79.0 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.48 ms. Allocated memory is still 200.3 MB. Free memory was 163.5 MB in the beginning and 161.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 696.00 ms. Allocated memory is still 200.3 MB. Free memory was 160.5 MB in the beginning and 107.1 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * Sifa took 22173.77 ms. Allocated memory was 200.3 MB in the beginning and 474.0 MB in the end (delta: 273.7 MB). Free memory was 107.1 MB in the beginning and 309.3 MB in the end (delta: -202.2 MB). Peak memory consumption was 71.5 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]: 22134, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 205, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 192, TOOLS_POST_TIME[ms]: 16642, TOOLS_POST_CALL_APPLICATIONS: 8, TOOLS_POST_CALL_TIME[ms]: 644, TOOLS_POST_RETURN_APPLICATIONS: 7, TOOLS_POST_RETURN_TIME[ms]: 359, TOOLS_QUANTIFIERELIM_APPLICATIONS: 200, TOOLS_QUANTIFIERELIM_TIME[ms]: 17586, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3083, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 215, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 30, DOMAIN_JOIN_TIME[ms]: 3424, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 19, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 856, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 17, DOMAIN_ISBOTTOM_TIME[ms]: 46, LOOP_SUMMARIZER_APPLICATIONS: 5, LOOP_SUMMARIZER_CACHE_MISSES: 5, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 13653, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 13652, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 10, CALL_SUMMARIZER_APPLICATIONS: 7, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 20565, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 20565, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 33, DAG_COMPRESSION_PROCESSED_NODES: 423, DAG_COMPRESSION_RETAINED_NODES: 184 - UnprovableResult [Line: 627]: 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 293#(or (and (not (= main_~count~0 (+ main_~len~0 1))) (or (and (= 0 main_~ptr~0.base) (= main_~ptr~0.offset 0) (exists ((v_main_~ptr~0.offset_10 Int) (v_main_~ptr~0.base_10 Int)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base main_~ptr~0.base) (= main_~ptr~0.offset main_~temp~2.offset)))) (and (= 0 main_~ptr~0.base) (= main_~count~0 0) (exists ((v_dll_prepend_~head.base_BEFORE_RETURN_1 Int) (v_dll_prepend_~head.offset_BEFORE_RETURN_1 Int)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_dll_prepend_~head.base_BEFORE_RETURN_1) v_dll_prepend_~head.offset_BEFORE_RETURN_1) 0) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~len~0 2))) (= main_~ptr~0.offset 0)))) (exists ((v_prenex_26 Int) (v_main_~ptr~0.offset_10 Int) (v_prenex_23 Int) (v_prenex_25 Int) (v_dll_prepend_~head.base_BEFORE_RETURN_1 Int) (v_prenex_24 Int) (v_main_~ptr~0.base_10 Int) (v_dll_prepend_~head.offset_BEFORE_RETURN_1 Int)) (or (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~ptr~0.offset 0)) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= (select (select |#memory_$Pointer$.offset| v_prenex_25) v_prenex_26) 0) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (= main_~len~0 2)) (and (< |main_~#s~0.base| |#StackHeapBarrier|) (= 0 |#NULL.base|) (= (select (select |#memory_$Pointer$.offset| v_dll_prepend_~head.base_BEFORE_RETURN_1) v_dll_prepend_~head.offset_BEFORE_RETURN_1) 0) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= 0 (select |old(#valid)| |main_~#s~0.base|)) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset) (= main_~count~0 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.base) (= |main_~#s~0.offset| 0) (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) main_~ptr~0.offset) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= |#NULL.offset| 0) (not (= |main_~#s~0.base| 0)) (not (= 0 main_~ptr~0.base)) (= main_~len~0 2)) (and (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (= (select (select |#memory_int| v_prenex_24) v_prenex_23) main_~data~0) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (not (= main_~ptr~0.offset 0)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= (select (select |#memory_int| v_main_~ptr~0.base_10) v_main_~ptr~0.offset_10) main_~data~0) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (not (= 0 main_~ptr~0.base)) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...