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-a32b1f7 [2019-08-18 06:55:02,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 06:55:02,010 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 06:55:02,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 06:55:02,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 06:55:02,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 06:55:02,026 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 06:55:02,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 06:55:02,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 06:55:02,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 06:55:02,031 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 06:55:02,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 06:55:02,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 06:55:02,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 06:55:02,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 06:55:02,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 06:55:02,036 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 06:55:02,037 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 06:55:02,039 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 06:55:02,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 06:55:02,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 06:55:02,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 06:55:02,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 06:55:02,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 06:55:02,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 06:55:02,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 06:55:02,048 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 06:55:02,049 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 06:55:02,049 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 06:55:02,050 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 06:55:02,051 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 06:55:02,051 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 06:55:02,052 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 06:55:02,053 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 06:55:02,054 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 06:55:02,054 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 06:55:02,055 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 06:55:02,055 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 06:55:02,055 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 06:55:02,056 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 06:55:02,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 06:55:02,058 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 [2019-08-18 06:55:02,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 06:55:02,086 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 06:55:02,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 06:55:02,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 06:55:02,089 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 06:55:02,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 06:55:02,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 06:55:02,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 06:55:02,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 06:55:02,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 06:55:02,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 06:55:02,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 06:55:02,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 06:55:02,092 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 06:55:02,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 06:55:02,092 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 06:55:02,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 06:55:02,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 06:55:02,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 06:55:02,093 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 06:55:02,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 06:55:02,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 06:55:02,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 06:55:02,094 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 06:55:02,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 06:55:02,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 06:55:02,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 06:55:02,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 06:55:02,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 06:55:02,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 06:55:02,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 06:55:02,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 06:55:02,176 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 06:55:02,176 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 06:55:02,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-18 06:55:02,250 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71f98a5d/5b2dd6f8e278440ebb20256d3d933250/FLAG5731645c5 [2019-08-18 06:55:02,813 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 06:55:02,814 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-circular-1.i [2019-08-18 06:55:02,834 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71f98a5d/5b2dd6f8e278440ebb20256d3d933250/FLAG5731645c5 [2019-08-18 06:55:03,064 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f71f98a5d/5b2dd6f8e278440ebb20256d3d933250 [2019-08-18 06:55:03,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 06:55:03,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 06:55:03,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 06:55:03,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 06:55:03,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 06:55:03,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7552213d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03, skipping insertion in model container [2019-08-18 06:55:03,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,092 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 06:55:03,133 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 06:55:03,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:55:03,581 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 06:55:03,629 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 06:55:03,694 INFO L192 MainTranslator]: Completed translation [2019-08-18 06:55:03,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03 WrapperNode [2019-08-18 06:55:03,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 06:55:03,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 06:55:03,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 06:55:03,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 06:55:03,709 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (1/1) ... [2019-08-18 06:55:03,771 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 06:55:03,777 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 06:55:03,777 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 06:55:03,778 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 06:55:03,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 06:55:03" (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 [2019-08-18 06:55:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 06:55:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 06:55:03,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 06:55:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 06:55:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 06:55:03,842 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 06:55:03,843 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 06:55:03,844 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 06:55:03,845 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 06:55:03,846 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 06:55:03,847 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 06:55:03,848 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 06:55:03,849 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 06:55:03,850 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 06:55:03,851 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 06:55:03,852 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 06:55:03,853 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 06:55:03,854 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 06:55:03,855 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 06:55:03,856 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 06:55:03,857 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 06:55:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 06:55:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 06:55:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 06:55:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 06:55:03,858 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 06:55:03,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 06:55:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 06:55:03,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 06:55:04,423 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 06:55:04,423 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-18 06:55:04,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:55:04 BoogieIcfgContainer [2019-08-18 06:55:04,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 06:55:04,425 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 06:55:04,426 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 06:55:04,426 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 06:55:04,427 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 06:55:04" (1/1) ... [2019-08-18 06:55:04,439 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-18 06:55:04,442 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 06:55:04,448 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 06:55:04,457 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 06:55:04,458 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 06:55:04,536 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 [2019-08-18 06:55:04,537 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 06:55:04,564 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:04,565 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 06:55:04,566 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 06:55:04,584 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 06:55:04,672 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:04,773 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:04,775 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:04,775 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:114 [2019-08-18 06:55:04,812 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|]} [2019-08-18 06:55:04,833 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:05,417 WARN L188 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2019-08-18 06:55:05,418 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:05,429 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:05,947 WARN L188 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-08-18 06:55:05,947 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:05,960 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:06,546 WARN L188 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-08-18 06:55:06,546 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:06,561 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:07,252 WARN L188 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-08-18 06:55:07,252 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:07,254 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. [2019-08-18 06:55:07,255 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:373, output treesize:467 [2019-08-18 06:55:07,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:07,334 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:07,350 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 06:55:13,917 WARN L188 SmtUtils]: Spent 6.57 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-18 06:55:13,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 06:55:13,921 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. [2019-08-18 06:55:13,921 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 11 variables, input treesize:989, output treesize:965 [2019-08-18 06:55:14,052 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:14,054 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:14,070 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:14,072 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:14,086 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 06:55:14,228 INFO L392 ElimStorePlain]: Different costs {2=[v_prenex_9, v_prenex_31, v_prenex_40, v_prenex_35, |v_#memory_int_9|, v_prenex_17, v_prenex_27, v_prenex_15, |v_#memory_int_10|, 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_prenex_16, |v_#memory_$Pointer$.base_22|, v_prenex_6]} [2019-08-18 06:55:16,279 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:13,988 WARN L188 SmtUtils]: Spent 9.96 m on a formula simplification. DAG size of input: 552 DAG size of output: 334 [2019-08-18 07:05:13,989 INFO L567 ElimStorePlain]: treesize reduction 7098, result has 52.0 percent of original size [2019-08-18 07:05:13,990 INFO L464 ElimStorePlain]: Eliminatee v_prenex_31 vanished before elimination [2019-08-18 07:05:14,034 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.