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/dll-circular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:30:58,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:30:58,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:30:58,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:30:58,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:30:58,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:30:58,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:30:58,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:30:58,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:30:58,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:30:58,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:30:58,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:30:58,061 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:30:58,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:30:58,068 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:30:58,069 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:30:58,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:30:58,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:30:58,072 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:30:58,074 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:30:58,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:30:58,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:30:58,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:30:58,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:30:58,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:30:58,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:30:58,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:30:58,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:30:58,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:30:58,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:30:58,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:30:58,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:30:58,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:30:58,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:30:58,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:30:58,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:30:58,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:30:58,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:30:58,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:30:58,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:30:58,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:30:58,090 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 03:30:58,103 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:30:58,103 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:30:58,105 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:30:58,105 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:30:58,105 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:30:58,105 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:30:58,105 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:30:58,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:30:58,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:30:58,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:30:58,106 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:30:58,106 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:30:58,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:30:58,107 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:30:58,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:30:58,107 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:30:58,107 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:30:58,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:30:58,108 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:30:58,108 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:30:58,108 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:30:58,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:30:58,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:30:58,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:30:58,109 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:30:58,109 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:30:58,109 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:30:58,110 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:30:58,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:30:58,137 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:30:58,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:30:58,152 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:30:58,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:30:58,154 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:30:58,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-31 03:30:58,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95271ecd6/bff5961c13b3440aa0927adfe7ec4f8e/FLAGbb790adea [2019-08-31 03:30:58,710 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:30:58,712 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-31 03:30:58,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95271ecd6/bff5961c13b3440aa0927adfe7ec4f8e/FLAGbb790adea [2019-08-31 03:30:59,035 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95271ecd6/bff5961c13b3440aa0927adfe7ec4f8e [2019-08-31 03:30:59,047 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:30:59,049 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:30:59,049 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:30:59,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:30:59,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:30:59,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,057 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7817ed8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59, skipping insertion in model container [2019-08-31 03:30:59,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,064 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:30:59,116 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:30:59,563 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:30:59,572 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:30:59,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:30:59,683 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:30:59,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59 WrapperNode [2019-08-31 03:30:59,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:30:59,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:30:59,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:30:59,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:30:59,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (1/1) ... [2019-08-31 03:30:59,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:30:59,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:30:59,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:30:59,746 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:30:59,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:30:59" (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 03:30:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:30:59,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:30:59,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:30:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:30:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:30:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:30:59,796 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:30:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:30:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:30:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:30:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:30:59,797 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:30:59,798 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:30:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:30:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:30:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:30:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:30:59,799 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:30:59,800 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:30:59,801 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:30:59,802 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:30:59,803 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:30:59,804 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:30:59,805 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:30:59,806 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-31 03:30:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:30:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:30:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-31 03:30:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:30:59,807 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:30:59,808 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:30:59,809 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:30:59,810 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:30:59,811 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:30:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:30:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:30:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:30:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:30:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:30:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:30:59,815 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:30:59,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:30:59,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:31:00,375 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:31:00,375 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-31 03:31:00,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:31:00 BoogieIcfgContainer [2019-08-31 03:31:00,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:31:00,377 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:31:00,377 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:31:00,378 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:31:00,379 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:31:00" (1/1) ... [2019-08-31 03:31:00,426 INFO L162 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-31 03:31:00,426 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:31:00,433 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:31:00,441 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:31:00,442 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:31:00,529 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 03:31:00,530 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:31:00,545 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:00,545 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:31:00,546 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:31:00,564 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:31:00,648 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 03:31:00,825 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 66 [2019-08-31 03:31:00,826 INFO L567 ElimStorePlain]: treesize reduction 9, result has 92.9 percent of original size [2019-08-31 03:31:00,827 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:31:00,828 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:138, output treesize:117 [2019-08-31 03:31:00,861 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|, |v_#memory_int_10|], 16=[|v_#memory_$Pointer$.base_20|, |v_#memory_$Pointer$.offset_20|]} [2019-08-31 03:31:00,873 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 03:31:01,505 WARN L188 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-08-31 03:31:01,506 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:01,526 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 03:31:02,158 WARN L188 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-08-31 03:31:02,159 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:02,170 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 03:31:02,672 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-08-31 03:31:02,673 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:02,690 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 03:31:03,355 WARN L188 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2019-08-31 03:31:03,356 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:03,358 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-31 03:31:03,358 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:376, output treesize:470 [2019-08-31 03:31:03,427 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:03,464 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 03:31:03,479 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 03:31:10,040 WARN L188 SmtUtils]: Spent 6.56 s on a formula simplification that was a NOOP. DAG size: 162 [2019-08-31 03:31:10,040 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:31:10,044 INFO L496 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 12 dim-0 vars, and 2 xjuncts. [2019-08-31 03:31:10,044 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:995, output treesize:971 [2019-08-31 03:31:10,348 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:10,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:10,369 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:10,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:10,402 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:31:10,573 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_9, v_prenex_21, v_prenex_31, v_prenex_40, v_prenex_35, |v_#memory_int_9|, v_prenex_17, |v_#memory_int_10|, v_prenex_15, v_prenex_7], 16=[v_prenex_8, v_prenex_32, v_prenex_30, v_prenex_14, |v_#memory_$Pointer$.offset_22|, v_prenex_46, v_prenex_39, |v_#memory_$Pointer$.base_22|, v_prenex_16, v_prenex_6]} [2019-08-31 03:31:11,051 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 03:42:10,806 WARN L188 SmtUtils]: Spent 11.00 m on a formula simplification. DAG size of input: 553 DAG size of output: 335 [2019-08-31 03:42:10,807 INFO L567 ElimStorePlain]: treesize reduction 7104, result has 51.3 percent of original size [2019-08-31 03:42:10,808 INFO L464 ElimStorePlain]: Eliminatee v_prenex_21 vanished before elimination [2019-08-31 03:42:10,808 INFO L464 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2019-08-31 03:42:11,062 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.