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 LoopFreeBlock --sifa.call.summarizer InterpretCallSummarizer --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 [2019-09-19 07:21:56,851 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 07:21:56,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 07:21:56,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 07:21:56,864 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 07:21:56,865 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 07:21:56,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 07:21:56,868 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 07:21:56,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 07:21:56,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 07:21:56,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 07:21:56,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 07:21:56,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 07:21:56,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 07:21:56,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 07:21:56,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 07:21:56,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 07:21:56,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 07:21:56,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 07:21:56,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 07:21:56,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 07:21:56,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 07:21:56,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 07:21:56,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 07:21:56,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 07:21:56,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 07:21:56,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 07:21:56,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 07:21:56,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 07:21:56,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 07:21:56,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 07:21:56,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 07:21:56,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 07:21:56,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 07:21:56,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 07:21:56,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 07:21:56,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 07:21:56,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 07:21:56,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 07:21:56,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 07:21:56,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 07:21:56,900 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 [2019-09-19 07:21:56,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 07:21:56,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 07:21:56,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 07:21:56,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 07:21:56,922 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 07:21:56,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 07:21:56,923 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 07:21:56,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 07:21:56,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 07:21:56,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 07:21:56,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 07:21:56,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 07:21:56,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 07:21:56,924 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 07:21:56,924 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 07:21:56,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 07:21:56,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 07:21:56,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 07:21:56,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 07:21:56,927 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 07:21:56,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 07:21:56,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:21:56,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 07:21:56,928 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 07:21:56,928 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 07:21:56,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 07:21:56,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 07:21:56,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 07:21:56,929 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 -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> InterpretCallSummarizer 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 [2019-09-19 07:21:56,969 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 07:21:56,988 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 07:21:56,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 07:21:56,995 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 07:21:56,995 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 07:21:56,996 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-19 07:21:57,069 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51d12a6/d24ef13d3c084b9b9df0774c88f1e59d/FLAG57880e1a7 [2019-09-19 07:21:57,669 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 07:21:57,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-circular-1.i [2019-09-19 07:21:57,691 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51d12a6/d24ef13d3c084b9b9df0774c88f1e59d/FLAG57880e1a7 [2019-09-19 07:21:57,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba51d12a6/d24ef13d3c084b9b9df0774c88f1e59d [2019-09-19 07:21:57,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 07:21:57,941 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 07:21:57,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 07:21:57,945 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 07:21:57,948 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 07:21:57,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:21:57" (1/1) ... [2019-09-19 07:21:57,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37469eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:57, skipping insertion in model container [2019-09-19 07:21:57,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 07:21:57" (1/1) ... [2019-09-19 07:21:57,959 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 07:21:58,018 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 07:21:58,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:21:58,445 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 07:21:58,488 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 07:21:58,542 INFO L192 MainTranslator]: Completed translation [2019-09-19 07:21:58,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58 WrapperNode [2019-09-19 07:21:58,543 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 07:21:58,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 07:21:58,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 07:21:58,544 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 07:21:58,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... [2019-09-19 07:21:58,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 07:21:58,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 07:21:58,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 07:21:58,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 07:21:58,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 07:21:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 07:21:58,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 07:21:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 07:21:58,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 07:21:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-09-19 07:21:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-09-19 07:21:58,673 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-09-19 07:21:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-09-19 07:21:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-09-19 07:21:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-09-19 07:21:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-09-19 07:21:58,674 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-09-19 07:21:58,675 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-09-19 07:21:58,676 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-09-19 07:21:58,677 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-09-19 07:21:58,678 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-09-19 07:21:58,679 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-09-19 07:21:58,680 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-09-19 07:21:58,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-09-19 07:21:58,682 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-09-19 07:21:58,683 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-09-19 07:21:58,684 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-09-19 07:21:58,685 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-09-19 07:21:58,686 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-09-19 07:21:58,687 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-09-19 07:21:58,688 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-09-19 07:21:58,689 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 07:21:58,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 07:21:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 07:21:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 07:21:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 07:21:58,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 07:21:59,264 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 07:21:59,264 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-09-19 07:21:59,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:21:59 BoogieIcfgContainer [2019-09-19 07:21:59,266 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 07:21:59,266 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 07:21:59,266 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 07:21:59,266 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 07:21:59,268 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 07:21:59" (1/1) ... [2019-09-19 07:21:59,268 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=InterpretCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-19 07:21:59,290 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-09-19 07:21:59,291 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 07:21:59,298 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 07:21:59,306 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 07:21:59,307 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 07:21:59,442 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-19 07:21:59,988 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-19 07:22:00,338 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-19 07:22:00,598 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-09-19 07:22:03,063 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:22:08,287 WARN L191 SmtUtils]: Spent 4.88 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:22:15,374 WARN L191 SmtUtils]: Spent 7.06 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:22:24,410 WARN L191 SmtUtils]: Spent 9.01 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:22:24,962 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:22:25,087 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:22:25,384 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:22:25,576 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:22:31,707 WARN L191 SmtUtils]: Spent 6.12 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:22:37,026 WARN L191 SmtUtils]: Spent 5.31 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:22:37,370 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:22:37,623 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:22:38,139 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:22:38,548 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:22:38,757 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:22:38,973 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:22:39,497 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:22:39,748 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:22:40,207 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:22:40,619 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:22:40,780 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:22:40,956 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:22:41,154 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2019-09-19 07:22:43,044 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:22:49,813 WARN L191 SmtUtils]: Spent 6.42 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:22:56,789 WARN L191 SmtUtils]: Spent 6.95 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:23:05,710 WARN L191 SmtUtils]: Spent 8.89 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:23:06,377 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:06,571 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:06,799 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:06,928 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:11,213 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:23:14,957 WARN L191 SmtUtils]: Spent 3.74 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:23:15,293 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:23:15,542 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:23:15,984 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:23:16,343 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:23:16,522 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 07:23:16,776 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 07:23:19,036 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:23:24,403 WARN L191 SmtUtils]: Spent 5.06 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:23:31,845 WARN L191 SmtUtils]: Spent 7.42 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:23:40,372 WARN L191 SmtUtils]: Spent 8.51 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:23:40,999 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:41,239 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:41,377 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:41,621 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:23:45,633 WARN L191 SmtUtils]: Spent 4.01 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:23:48,702 WARN L191 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:23:49,016 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:23:49,270 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:23:49,758 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:23:50,158 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:23:50,317 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:23:50,511 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:23:51,029 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:23:51,285 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:23:51,730 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:23:52,109 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:23:52,294 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:23:52,484 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:23:54,456 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:24:00,175 WARN L191 SmtUtils]: Spent 5.41 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:24:07,913 WARN L191 SmtUtils]: Spent 7.71 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:24:18,764 WARN L191 SmtUtils]: Spent 10.83 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:24:19,208 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:19,395 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:19,575 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:19,810 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:25,051 WARN L191 SmtUtils]: Spent 5.24 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:24:29,001 WARN L191 SmtUtils]: Spent 3.95 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:24:29,326 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:24:29,548 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:24:29,977 WARN L191 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:24:30,338 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:24:30,514 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 07:24:30,761 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 07:24:31,259 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:24:31,539 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:24:31,940 WARN L191 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:24:32,311 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:24:32,508 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:24:32,714 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:24:34,741 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:24:39,104 WARN L191 SmtUtils]: Spent 4.04 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:24:44,592 WARN L191 SmtUtils]: Spent 5.47 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:24:51,898 WARN L191 SmtUtils]: Spent 7.28 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:24:52,563 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:52,748 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:52,970 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:53,156 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:24:57,435 WARN L191 SmtUtils]: Spent 4.28 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:25:01,280 WARN L191 SmtUtils]: Spent 3.84 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:25:01,605 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:25:01,824 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:25:02,247 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:25:02,621 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:25:02,772 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:25:02,966 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:25:05,187 WARN L191 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:25:09,961 WARN L191 SmtUtils]: Spent 4.48 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:25:16,277 WARN L191 SmtUtils]: Spent 6.30 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:25:24,663 WARN L191 SmtUtils]: Spent 8.36 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:25:25,331 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:25:25,501 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:25:25,735 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:25:26,064 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:25:30,304 WARN L191 SmtUtils]: Spent 4.24 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:25:34,535 WARN L191 SmtUtils]: Spent 4.23 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:25:34,869 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:25:35,135 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:25:35,575 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:25:35,965 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:25:36,143 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 07:25:36,385 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 07:25:38,680 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:25:44,369 WARN L191 SmtUtils]: Spent 5.38 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:25:52,512 WARN L191 SmtUtils]: Spent 8.12 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:26:02,045 WARN L191 SmtUtils]: Spent 9.51 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:26:02,627 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:02,890 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:03,157 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:03,351 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:07,128 WARN L191 SmtUtils]: Spent 3.77 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:26:11,033 WARN L191 SmtUtils]: Spent 3.90 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:26:11,348 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:26:11,577 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:26:11,997 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:26:12,393 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:26:12,553 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:26:12,744 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:26:13,227 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:26:13,467 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:26:13,924 WARN L191 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:26:14,302 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:26:14,454 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-19 07:26:14,650 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-19 07:26:16,545 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 129 [2019-09-19 07:26:22,176 WARN L191 SmtUtils]: Spent 5.36 s on a formula simplification that was a NOOP. DAG size: 168 [2019-09-19 07:26:29,974 WARN L191 SmtUtils]: Spent 7.78 s on a formula simplification that was a NOOP. DAG size: 169 [2019-09-19 07:26:39,886 WARN L191 SmtUtils]: Spent 9.89 s on a formula simplification that was a NOOP. DAG size: 170 [2019-09-19 07:26:40,472 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:40,788 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:40,975 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:41,225 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2019-09-19 07:26:45,090 WARN L191 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:26:49,316 WARN L191 SmtUtils]: Spent 4.22 s on a formula simplification that was a NOOP. DAG size: 200 [2019-09-19 07:26:49,658 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-19 07:26:49,894 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-19 07:26:50,331 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-19 07:26:50,713 WARN L191 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-09-19 07:26:50,897 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-19 07:26:51,130 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-19 07:26:52,185 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 07:26:52,185 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 07:26:52,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 1051#(exists ((v_main_~x~0.offset_47 Int) (v_main_~x~0.base_49 Int)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_49) v_main_~x~0.offset_47) main_~x~0.base) (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_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_49) v_main_~x~0.offset_47)))) [2019-09-19 07:26:52,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 1064#(and (= 0 main_~x~0.base) (exists ((v_main_~x~0.base_52 Int) (v_main_~x~0.offset_50 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_52) (+ v_main_~x~0.offset_50 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)) [2019-09-19 07:26:52,187 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 885#(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)) [2019-09-19 07:26:52,199 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 07:26:52,200 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 07:26:52,201 INFO L168 Benchmark]: Toolchain (without parser) took 294262.46 ms. Allocated memory was 133.2 MB in the beginning and 248.5 MB in the end (delta: 115.3 MB). Free memory was 87.1 MB in the beginning and 183.8 MB in the end (delta: -96.8 MB). Peak memory consumption was 18.6 MB. Max. memory is 7.1 GB. [2019-09-19 07:26:52,201 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 07:26:52,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 598.68 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 165.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-19 07:26:52,202 INFO L168 Benchmark]: Boogie Preprocessor took 75.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-19 07:26:52,202 INFO L168 Benchmark]: RCFGBuilder took 646.26 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 116.6 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. [2019-09-19 07:26:52,203 INFO L168 Benchmark]: Sifa took 292933.89 ms. Allocated memory was 200.3 MB in the beginning and 248.5 MB in the end (delta: 48.2 MB). Free memory was 116.6 MB in the beginning and 183.8 MB in the end (delta: -67.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 07:26:52,204 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 598.68 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 86.9 MB in the beginning and 165.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 646.26 ms. Allocated memory is still 200.3 MB. Free memory was 162.0 MB in the beginning and 116.6 MB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 7.1 GB. * Sifa took 292933.89 ms. Allocated memory was 200.3 MB in the beginning and 248.5 MB in the end (delta: 48.2 MB). Free memory was 116.6 MB in the beginning and 183.8 MB in the end (delta: -67.3 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]: 292897, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 573, DAG_INTERPRETER_EARLY_EXITS: 12, TOOLS_POST_APPLICATIONS: 483, TOOLS_POST_TIME[ms]: 207957, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 17, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 53, TOOLS_QUANTIFIERELIM_APPLICATIONS: 483, TOOLS_QUANTIFIERELIM_TIME[ms]: 207923, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 24033, FLUID_QUERY_TIME[ms]: 16, FLUID_QUERIES: 624, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 223, DOMAIN_JOIN_TIME[ms]: 81634, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 9, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 51, DOMAIN_ISSUBSETEQ_TIME[ms]: 45, DOMAIN_ISBOTTOM_APPLICATIONS: 118, DOMAIN_ISBOTTOM_TIME[ms]: 2988, LOOP_SUMMARIZER_APPLICATIONS: 42, LOOP_SUMMARIZER_CACHE_MISSES: 42, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 281846, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 281845, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 51, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 0, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 35, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 67, DAG_COMPRESSION_PROCESSED_NODES: 1032, DAG_COMPRESSION_RETAINED_NODES: 435 - 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 1051#(exists ((v_main_~x~0.offset_47 Int) (v_main_~x~0.base_49 Int)) (and (not (= (select (select |#memory_int| main_~x~0.base) (+ main_~x~0.offset 4)) 0)) (= (select (select |#memory_$Pointer$.base| v_main_~x~0.base_49) v_main_~x~0.offset_47) main_~x~0.base) (not (= 0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~x~0.base) main_~x~0.offset)) (+ (select (select |#memory_$Pointer$.offset| main_~x~0.base) main_~x~0.offset) 4)))) (< (select (select |#memory_int| (select (select |#memory_$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$.offset| v_main_~x~0.base_49) v_main_~x~0.offset_47)))). Possible FailurePath: - UnprovableResult [Line: 1017]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1064#(and (= 0 main_~x~0.base) (exists ((v_main_~x~0.base_52 Int) (v_main_~x~0.offset_50 Int)) (and (= main_~x~0.offset (select (select |#memory_$Pointer$.offset| main_~head~0.base) main_~head~0.offset)) (= (select (select |#memory_int| v_main_~x~0.base_52) (+ v_main_~x~0.offset_50 4)) main_~state~0) (= (select (select |#memory_$Pointer$.base| main_~head~0.base) main_~head~0.offset) main_~x~0.base))) (= main_~x~0.offset 0)). Possible FailurePath: - 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 885#(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: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...