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 SequenceOfStatements --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 03:06:29,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 03:06:29,832 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 03:06:29,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 03:06:29,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 03:06:29,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 03:06:29,847 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 03:06:29,849 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 03:06:29,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 03:06:29,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 03:06:29,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 03:06:29,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 03:06:29,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 03:06:29,855 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 03:06:29,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 03:06:29,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 03:06:29,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 03:06:29,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 03:06:29,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 03:06:29,862 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 03:06:29,863 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 03:06:29,864 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 03:06:29,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 03:06:29,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 03:06:29,868 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 03:06:29,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 03:06:29,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 03:06:29,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 03:06:29,870 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 03:06:29,871 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 03:06:29,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 03:06:29,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 03:06:29,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 03:06:29,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 03:06:29,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 03:06:29,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 03:06:29,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 03:06:29,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 03:06:29,876 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 03:06:29,877 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 03:06:29,878 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 03:06:29,879 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 [2019-09-18 03:06:29,893 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 03:06:29,893 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 03:06:29,894 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 03:06:29,895 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 03:06:29,895 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 03:06:29,895 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 03:06:29,895 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 03:06:29,895 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 03:06:29,896 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 03:06:29,896 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 03:06:29,896 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 03:06:29,896 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 03:06:29,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 03:06:29,897 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 03:06:29,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 03:06:29,897 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 03:06:29,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 03:06:29,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 03:06:29,898 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 03:06:29,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 03:06:29,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 03:06:29,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 03:06:29,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 03:06:29,899 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 03:06:29,899 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 03:06:29,899 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 03:06:29,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 03:06:29,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 03:06:29,900 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 -> SequenceOfStatements 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 [2019-09-18 03:06:29,930 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 03:06:29,946 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 03:06:29,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 03:06:29,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 03:06:29,955 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 03:06:29,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-18 03:06:30,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47c41a1f/17dc8bff796247d78aa537ba94363f34/FLAGd739c26c7 [2019-09-18 03:06:30,513 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 03:06:30,514 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-18 03:06:30,528 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47c41a1f/17dc8bff796247d78aa537ba94363f34/FLAGd739c26c7 [2019-09-18 03:06:30,861 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b47c41a1f/17dc8bff796247d78aa537ba94363f34 [2019-09-18 03:06:30,871 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 03:06:30,873 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 03:06:30,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 03:06:30,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 03:06:30,879 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 03:06:30,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:06:30" (1/1) ... [2019-09-18 03:06:30,883 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cddc276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:30, skipping insertion in model container [2019-09-18 03:06:30,883 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 03:06:30" (1/1) ... [2019-09-18 03:06:30,892 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 03:06:30,958 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 03:06:31,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:06:31,427 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 03:06:31,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 03:06:31,539 INFO L192 MainTranslator]: Completed translation [2019-09-18 03:06:31,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31 WrapperNode [2019-09-18 03:06:31,539 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 03:06:31,540 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 03:06:31,540 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 03:06:31,540 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 03:06:31,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,554 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,571 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,589 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,607 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (1/1) ... [2019-09-18 03:06:31,615 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 03:06:31,616 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 03:06:31,616 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 03:06:31,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 03:06:31,617 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 03:06:31" (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 [2019-09-18 03:06:31,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 03:06:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 03:06:31,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 03:06:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-18 03:06:31,678 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-18 03:06:31,679 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-18 03:06:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-18 03:06:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-18 03:06:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-18 03:06:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-18 03:06:31,680 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-18 03:06:31,681 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-18 03:06:31,682 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-18 03:06:31,683 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-18 03:06:31,684 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-18 03:06:31,685 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-18 03:06:31,686 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-18 03:06:31,687 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-18 03:06:31,688 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-18 03:06:31,689 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-18 03:06:31,690 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-18 03:06:31,691 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-18 03:06:31,692 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-18 03:06:31,693 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-18 03:06:31,694 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 03:06:31,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 03:06:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 03:06:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 03:06:32,340 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 03:06:32,341 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-18 03:06:32,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:06:32 BoogieIcfgContainer [2019-09-18 03:06:32,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 03:06:32,343 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 03:06:32,343 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 03:06:32,343 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 03:06:32,345 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 03:06:32" (1/1) ... [2019-09-18 03:06:32,345 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 [2019-09-18 03:06:32,370 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-18 03:06:32,370 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 03:06:32,378 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 03:06:32,387 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 03:06:32,389 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 03:06:32,566 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-18 03:06:33,189 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-18 03:06:33,550 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-18 03:06:33,871 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-18 03:06:36,189 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:06:44,471 WARN L191 SmtUtils]: Spent 7.88 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:06:54,648 WARN L191 SmtUtils]: Spent 10.15 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:07:07,491 WARN L191 SmtUtils]: Spent 12.81 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:07:08,167 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:08,416 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:08,657 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:09,008 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:13,757 WARN L191 SmtUtils]: Spent 4.74 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:07:19,636 WARN L191 SmtUtils]: Spent 5.87 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:07:20,040 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:07:20,360 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:07:20,940 WARN L191 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:07:21,399 WARN L191 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:07:21,582 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:07:21,807 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:07:22,385 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:07:22,660 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:07:23,150 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:07:23,582 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:07:23,744 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:07:23,980 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:07:24,168 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-18 03:07:26,275 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:07:33,855 WARN L191 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:07:44,064 WARN L191 SmtUtils]: Spent 10.19 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:07:55,429 WARN L191 SmtUtils]: Spent 11.33 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:07:56,194 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:56,508 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:56,831 WARN L191 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:07:56,974 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:08:01,302 WARN L191 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:08:07,396 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:08:07,783 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:08:08,065 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:08:08,577 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:08:08,981 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:08:09,187 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:08:09,454 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:08:10,792 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 03:08:11,095 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 03:08:11,448 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 03:08:11,770 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 112 [2019-09-18 03:08:12,034 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 03:08:12,189 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 03:08:12,371 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 03:08:16,218 WARN L191 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-18 03:08:18,464 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 121 [2019-09-18 03:08:21,269 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:08:31,214 WARN L191 SmtUtils]: Spent 9.61 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:08:42,458 WARN L191 SmtUtils]: Spent 11.22 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:08:53,858 WARN L191 SmtUtils]: Spent 11.37 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:08:54,817 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:08:55,074 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:08:55,494 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:08:55,695 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:09:01,829 WARN L191 SmtUtils]: Spent 6.12 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:09:07,592 WARN L191 SmtUtils]: Spent 5.76 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:09:08,023 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:09:08,289 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:09:08,795 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:09:09,207 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:09:09,377 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:09:09,584 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:09:10,139 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:09:10,432 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:09:10,910 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:09:11,331 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:09:11,495 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:09:11,701 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:09:13,641 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:09:21,092 WARN L191 SmtUtils]: Spent 7.13 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:09:33,472 WARN L191 SmtUtils]: Spent 12.36 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:09:46,232 WARN L191 SmtUtils]: Spent 12.74 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:09:46,880 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:09:47,313 WARN L191 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:09:47,546 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:09:47,833 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:09:52,041 WARN L191 SmtUtils]: Spent 4.20 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:09:58,145 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:09:58,518 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:09:58,776 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:09:59,249 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:09:59,664 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:09:59,953 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:10:00,298 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:10:00,599 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2019-09-18 03:10:00,876 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 58 [2019-09-18 03:10:03,132 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:10:09,541 WARN L191 SmtUtils]: Spent 6.06 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:10:19,478 WARN L191 SmtUtils]: Spent 9.91 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:10:31,788 WARN L191 SmtUtils]: Spent 12.29 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:10:32,333 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:10:32,947 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:10:33,175 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:10:33,519 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:10:39,244 WARN L191 SmtUtils]: Spent 5.72 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:10:45,331 WARN L191 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:10:45,676 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:10:45,936 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:10:46,389 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:10:46,794 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:10:46,959 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:10:47,167 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:10:47,742 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:10:48,009 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:10:48,494 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:10:48,915 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:10:49,095 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:10:49,300 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:10:49,606 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:10:51,738 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:10:59,119 WARN L191 SmtUtils]: Spent 7.10 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:11:08,772 WARN L191 SmtUtils]: Spent 9.63 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:11:21,257 WARN L191 SmtUtils]: Spent 12.46 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:11:21,900 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:11:22,209 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:11:22,576 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:11:23,038 WARN L191 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:11:27,362 WARN L191 SmtUtils]: Spent 4.32 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:11:33,375 WARN L191 SmtUtils]: Spent 6.01 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:11:33,753 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:11:34,005 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:11:34,474 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:11:34,887 WARN L191 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:11:35,082 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-18 03:11:35,369 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 03:11:37,759 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-18 03:11:44,077 WARN L191 SmtUtils]: Spent 5.98 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-18 03:11:52,850 WARN L191 SmtUtils]: Spent 8.75 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-18 03:12:05,442 WARN L191 SmtUtils]: Spent 12.57 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-18 03:12:06,293 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:12:06,721 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:12:06,929 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:12:07,083 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-18 03:12:11,308 WARN L191 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:12:17,411 WARN L191 SmtUtils]: Spent 6.10 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-18 03:12:17,775 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 03:12:18,050 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 03:12:18,533 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-18 03:12:18,953 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-18 03:12:19,119 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-18 03:12:19,330 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 03:12:19,636 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 03:12:19,636 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 03:12:19,639 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1025#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)) [2019-09-18 03:12:19,639 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 695#(exists ((v_main_~x~0.base_31 Int) (v_main_~x~0.offset_31 Int)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_31) v_main_~x~0.offset_31) main_~x~0.base) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_31) v_main_~x~0.offset_31)))) [2019-09-18 03:12:19,639 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 928#(and (= 0 main_~x~0.base) (exists ((v_main_~x~0.base_43 Int) (v_main_~x~0.offset_43 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_43) (+ v_main_~x~0.offset_43 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= main_~x~0.offset 0)) [2019-09-18 03:12:19,656 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 03:12:19,657 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 03:12:19,659 INFO L168 Benchmark]: Toolchain (without parser) took 348786.47 ms. Allocated memory was 135.8 MB in the beginning and 256.9 MB in the end (delta: 121.1 MB). Free memory was 90.0 MB in the beginning and 202.4 MB in the end (delta: -112.4 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:19,659 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 135.8 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 03:12:19,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 664.86 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 89.8 MB in the beginning and 162.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:19,660 INFO L168 Benchmark]: Boogie Preprocessor took 75.21 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 159.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:19,661 INFO L168 Benchmark]: RCFGBuilder took 726.75 ms. Allocated memory is still 198.2 MB. Free memory was 159.4 MB in the beginning and 116.6 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. [2019-09-18 03:12:19,661 INFO L168 Benchmark]: Sifa took 347314.11 ms. Allocated memory was 198.2 MB in the beginning and 256.9 MB in the end (delta: 58.7 MB). Free memory was 116.6 MB in the beginning and 202.4 MB in the end (delta: -85.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-18 03:12:19,671 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 135.8 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 664.86 ms. Allocated memory was 135.8 MB in the beginning and 198.2 MB in the end (delta: 62.4 MB). Free memory was 89.8 MB in the beginning and 162.3 MB in the end (delta: -72.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.21 ms. Allocated memory is still 198.2 MB. Free memory was 162.3 MB in the beginning and 159.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 726.75 ms. Allocated memory is still 198.2 MB. Free memory was 159.4 MB in the beginning and 116.6 MB in the end (delta: 42.7 MB). Peak memory consumption was 42.7 MB. Max. memory is 7.1 GB. * Sifa took 347314.11 ms. Allocated memory was 198.2 MB in the beginning and 256.9 MB in the end (delta: 58.7 MB). Free memory was 116.6 MB in the beginning and 202.4 MB in the end (delta: -85.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 347270, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 537, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 457, TOOLS_POST_TIME[ms]: 243971, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 27, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 1, TOOLS_QUANTIFIERELIM_APPLICATIONS: 460, TOOLS_QUANTIFIERELIM_TIME[ms]: 243878, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 32318, FLUID_QUERY_TIME[ms]: 17, FLUID_QUERIES: 583, FLUID_YES_ANSWERS: 6, DOMAIN_JOIN_APPLICATIONS: 223, DOMAIN_JOIN_TIME[ms]: 93711, DOMAIN_ALPHA_APPLICATIONS: 6, DOMAIN_ALPHA_TIME[ms]: 6, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 6061, DOMAIN_ISSUBSETEQ_APPLICATIONS: 46, DOMAIN_ISSUBSETEQ_TIME[ms]: 63, DOMAIN_ISBOTTOM_APPLICATIONS: 124, DOMAIN_ISBOTTOM_TIME[ms]: 3226, LOOP_SUMMARIZER_APPLICATIONS: 37, LOOP_SUMMARIZER_CACHE_MISSES: 37, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 337223, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 337221, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 46, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 115, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 115, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 69, DAG_COMPRESSION_PROCESSED_NODES: 990, DAG_COMPRESSION_RETAINED_NODES: 413 - UnprovableResult [Line: 1012]: 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 1025#(and (= 0 main_~x~0.base) (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) main_~state~0) (= main_~x~0.offset 0)). Possible FailurePath: - UnprovableResult [Line: 1021]: 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 695#(exists ((v_main_~x~0.base_31 Int) (v_main_~x~0.offset_31 Int)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_31) v_main_~x~0.offset_31) main_~x~0.base) (< (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)) (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4))) (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| v_main_~x~0.base_31) v_main_~x~0.offset_31)))). Possible FailurePath: - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 928#(and (= 0 main_~x~0.base) (exists ((v_main_~x~0.base_43 Int) (v_main_~x~0.offset_43 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_43) (+ v_main_~x~0.offset_43 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= main_~x~0.offset 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...