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 -i ../../../trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:47:22,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:47:22,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:47:22,989 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:47:22,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:47:22,991 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:47:22,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:47:22,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:47:22,997 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:47:22,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:47:22,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:47:23,000 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:47:23,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:47:23,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:47:23,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:47:23,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:47:23,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:47:23,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:47:23,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:47:23,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:47:23,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:47:23,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:47:23,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:47:23,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:47:23,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:47:23,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:47:23,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:47:23,021 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:47:23,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:47:23,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:47:23,023 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:47:23,024 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:47:23,024 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:47:23,025 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:47:23,027 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:47:23,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:47:23,028 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:47:23,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:47:23,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:47:23,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:47:23,030 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:47:23,031 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 [2019-08-31 03:47:23,047 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:47:23,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:47:23,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:47:23,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:47:23,049 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:47:23,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:47:23,050 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:47:23,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:47:23,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:47:23,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:47:23,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:47:23,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:47:23,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:47:23,051 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:47:23,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:47:23,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:47:23,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:47:23,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:47:23,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:47:23,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:47:23,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:47:23,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:47:23,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:47:23,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:47:23,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:47:23,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:47:23,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:47:23,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:47:23,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:47:23,084 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:47:23,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:47:23,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:47:23,102 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:47:23,103 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:47:23,103 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i [2019-08-31 03:47:23,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced5843af/220676bf40f14baaa999307b542e9727/FLAGe74074b1d [2019-08-31 03:47:23,667 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:47:23,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-sentinel-2.i [2019-08-31 03:47:23,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced5843af/220676bf40f14baaa999307b542e9727/FLAGe74074b1d [2019-08-31 03:47:23,995 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ced5843af/220676bf40f14baaa999307b542e9727 [2019-08-31 03:47:24,003 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:47:24,005 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:47:24,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:24,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:47:24,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:47:24,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:23" (1/1) ... [2019-08-31 03:47:24,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c18ef89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24, skipping insertion in model container [2019-08-31 03:47:24,015 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:23" (1/1) ... [2019-08-31 03:47:24,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:47:24,083 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:47:24,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:24,561 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:47:24,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:47:24,668 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:47:24,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24 WrapperNode [2019-08-31 03:47:24,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:47:24,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:47:24,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:47:24,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:47:24,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (1/1) ... [2019-08-31 03:47:24,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:47:24,741 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:47:24,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:47:24,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:47:24,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:24" (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 [2019-08-31 03:47:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:47:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:47:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:47:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:47:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:47:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:47:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:47:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:47:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:47:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:47:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:47:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:47:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:47:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:47:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:47:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:47:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:47:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:47:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:47:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:47:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:47:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:47:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:47:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:47:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:47:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:47:24,807 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:47:24,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:47:24,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:47:24,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:47:25,386 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:47:25,387 INFO L283 CfgBuilder]: Removed 11 assume(true) statements. [2019-08-31 03:47:25,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:25 BoogieIcfgContainer [2019-08-31 03:47:25,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:47:25,389 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:47:25,389 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:47:25,389 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:47:25,390 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:25" (1/1) ... [2019-08-31 03:47:25,426 INFO L162 IcfgInterpreter]: Started Sifa with 4 locations of interest [2019-08-31 03:47:25,426 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:47:25,434 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:47:25,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:47:25,442 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:47:25,531 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-31 03:47:25,532 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:47:25,550 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:25,551 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:47:25,551 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:47:25,566 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:47:25,679 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_7|, |v_#memory_int_6|], 6=[|v_#memory_$Pointer$.base_6|, |v_#memory_$Pointer$.offset_6|]} [2019-08-31 03:47:25,693 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:26,392 WARN L188 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 106 [2019-08-31 03:47:26,392 INFO L567 ElimStorePlain]: treesize reduction 9, result has 96.3 percent of original size [2019-08-31 03:47:26,401 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:26,713 WARN L188 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-08-31 03:47:26,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:26,721 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:26,947 WARN L188 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2019-08-31 03:47:26,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:26,962 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:27,181 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-31 03:47:27,182 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:27,184 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:27,185 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:255, output treesize:222 [2019-08-31 03:47:27,242 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_11|], 4=[|v_#memory_$Pointer$.base_25|, |v_#memory_$Pointer$.offset_25|]} [2019-08-31 03:47:27,251 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:27,993 WARN L188 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-08-31 03:47:27,994 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:28,003 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:28,663 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-08-31 03:47:28,664 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:28,678 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:29,676 WARN L188 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-08-31 03:47:29,677 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:29,680 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:29,680 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:333, output treesize:408 [2019-08-31 03:47:29,721 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:30,792 WARN L188 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 125 [2019-08-31 03:47:30,792 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:30,794 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:30,794 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:435, output treesize:423 [2019-08-31 03:47:30,815 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_19|, |v_#memory_int_20|], 4=[|v_#memory_int_30|], 6=[|v_#memory_$Pointer$.base_17|, |v_#memory_$Pointer$.offset_17|]} [2019-08-31 03:47:30,850 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:34,795 WARN L188 SmtUtils]: Spent 3.94 s on a formula simplification that was a NOOP. DAG size: 171 [2019-08-31 03:47:34,795 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:34,829 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:38,822 WARN L188 SmtUtils]: Spent 3.99 s on a formula simplification that was a NOOP. DAG size: 168 [2019-08-31 03:47:38,823 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:38,839 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:42,533 WARN L188 SmtUtils]: Spent 3.69 s on a formula simplification that was a NOOP. DAG size: 164 [2019-08-31 03:47:42,534 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:42,554 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:46,369 WARN L188 SmtUtils]: Spent 3.81 s on a formula simplification that was a NOOP. DAG size: 160 [2019-08-31 03:47:46,370 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:46,386 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:51,668 WARN L188 SmtUtils]: Spent 5.28 s on a formula simplification that was a NOOP. DAG size: 156 [2019-08-31 03:47:51,669 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:47:51,671 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 5 dim-2 vars, End of recursive call: 12 dim-0 vars, and 1 xjuncts. [2019-08-31 03:47:51,671 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 12 variables, input treesize:576, output treesize:801 [2019-08-31 03:47:51,940 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:51,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:51,952 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:47:52,021 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_19, |v_#memory_int_11|, v_prenex_2, v_prenex_18, v_prenex_17], 4=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.offset_28|, v_prenex_1, v_prenex_4]} [2019-08-31 03:47:54,040 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:55:08,591 WARN L188 SmtUtils]: Spent 7.24 m on a formula simplification that was a NOOP. DAG size: 337 [2019-08-31 03:55:08,592 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:55:10,610 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.