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/heap-manipulation/merge_sort-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:09:32,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:09:32,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:09:33,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:09:33,006 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:09:33,007 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:09:33,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:09:33,010 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:09:33,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:09:33,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:09:33,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:09:33,015 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:09:33,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:09:33,016 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:09:33,017 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:09:33,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:09:33,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:09:33,020 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:09:33,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:09:33,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:09:33,025 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:09:33,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:09:33,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:09:33,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:09:33,030 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:09:33,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:09:33,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:09:33,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:09:33,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:09:33,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:09:33,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:09:33,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:09:33,035 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:09:33,036 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:09:33,037 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:09:33,039 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:09:33,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:09:33,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:09:33,040 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:09:33,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:09:33,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:09:33,042 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 03:09:33,057 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:09:33,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:09:33,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:09:33,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:09:33,058 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:09:33,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:09:33,059 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:09:33,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:09:33,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:09:33,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:09:33,060 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:09:33,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:09:33,061 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:09:33,061 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:09:33,061 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:09:33,061 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:09:33,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:09:33,062 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:09:33,062 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:09:33,062 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:09:33,062 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:09:33,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:09:33,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:09:33,063 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:09:33,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:09:33,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:09:33,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:09:33,108 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:09:33,108 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:09:33,109 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-2.i [2019-08-31 03:09:33,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eaba66a/5058e8f926a94d3889753af3bc8d3e35/FLAG7dd501752 [2019-08-31 03:09:33,642 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:09:33,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-2.i [2019-08-31 03:09:33,657 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eaba66a/5058e8f926a94d3889753af3bc8d3e35/FLAG7dd501752 [2019-08-31 03:09:33,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46eaba66a/5058e8f926a94d3889753af3bc8d3e35 [2019-08-31 03:09:33,952 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:09:33,953 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:09:33,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:09:33,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:09:33,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:09:33,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:09:33" (1/1) ... [2019-08-31 03:09:33,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70352d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:33, skipping insertion in model container [2019-08-31 03:09:33,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:09:33" (1/1) ... [2019-08-31 03:09:33,969 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:09:34,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:09:34,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:09:34,491 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:09:34,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:09:34,628 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:09:34,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34 WrapperNode [2019-08-31 03:09:34,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:09:34,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:09:34,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:09:34,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:09:34,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,672 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,672 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (1/1) ... [2019-08-31 03:09:34,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:09:34,726 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:09:34,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:09:34,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:09:34,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:09:34" (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 03:09:34,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2019-08-31 03:09:34,777 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2019-08-31 03:09:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2019-08-31 03:09:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2019-08-31 03:09:34,778 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:09:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:09:34,778 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:09:34,779 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:09:34,780 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:09:34,781 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:09:34,782 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:09:34,783 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:09:34,784 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:09:34,785 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:09:34,786 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:09:34,787 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:09:34,788 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:09:34,789 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:09:34,790 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:09:34,791 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:09:34,792 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:09:34,793 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:09:34,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2019-08-31 03:09:34,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2019-08-31 03:09:34,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:09:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:09:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:09:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:09:34,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:09:35,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:09:35,643 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-08-31 03:09:35,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:09:35 BoogieIcfgContainer [2019-08-31 03:09:35,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:09:35,645 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:09:35,646 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:09:35,646 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:09:35,647 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:09:35" (1/1) ... [2019-08-31 03:09:35,683 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:09:35,683 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:09:35,692 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:09:35,703 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:09:35,705 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:09:35,809 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 03:09:35,810 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:09:35,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:09:35,833 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:09:35,834 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:09:35,865 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:09:35,937 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 03:09:35,954 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 03:09:36,396 WARN L188 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-08-31 03:09:36,397 INFO L567 ElimStorePlain]: treesize reduction 227, result has 40.1 percent of original size [2019-08-31 03:09:36,398 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-31 03:09:36,399 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:403, output treesize:152 [2019-08-31 03:09:36,434 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.offset_55|, |v_#memory_$Pointer$.base_55|]} [2019-08-31 03:09:36,444 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 03:09:36,454 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 03:09:37,113 WARN L188 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-08-31 03:09:37,113 INFO L567 ElimStorePlain]: treesize reduction 225, result has 49.0 percent of original size [2019-08-31 03:09:37,122 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 03:09:37,339 WARN L188 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-31 03:09:37,340 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:09:37,370 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 03:09:37,545 WARN L188 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-31 03:09:37,546 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:09:37,548 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-31 03:09:37,549 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:465, output treesize:224 [2019-08-31 03:09:37,592 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:09:37,627 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 03:09:37,645 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 03:09:37,657 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 03:09:37,670 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 03:09:41,486 WARN L188 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 186 DAG size of output: 164 [2019-08-31 03:09:41,487 INFO L567 ElimStorePlain]: treesize reduction 629, result has 46.6 percent of original size [2019-08-31 03:09:41,503 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 03:09:43,309 WARN L188 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-31 03:09:43,309 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:09:43,313 INFO L496 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 11 dim-0 vars, and 2 xjuncts. [2019-08-31 03:09:43,314 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:1225, output treesize:574 [2019-08-31 03:09:43,362 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.base_57|, |v_#memory_$Pointer$.offset_57|]} [2019-08-31 03:09:43,372 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 03:09:43,424 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 03:09:43,475 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 03:09:43,486 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 03:09:58,660 WARN L188 SmtUtils]: Spent 15.17 s on a formula simplification. DAG size of input: 210 DAG size of output: 194 [2019-08-31 03:09:58,661 INFO L567 ElimStorePlain]: treesize reduction 774, result has 49.5 percent of original size [2019-08-31 03:09:58,704 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 03:09:58,746 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:10:06,393 WARN L188 SmtUtils]: Spent 7.65 s on a formula simplification that was a NOOP. DAG size: 193 [2019-08-31 03:10:06,393 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:10:06,426 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:10:06,615 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:10:15,992 WARN L188 SmtUtils]: Spent 9.38 s on a formula simplification that was a NOOP. DAG size: 195 [2019-08-31 03:10:15,993 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:10:15,997 INFO L496 ElimStorePlain]: Start of recursive call 1: 12 dim-0 vars, 3 dim-2 vars, End of recursive call: 18 dim-0 vars, and 2 xjuncts. [2019-08-31 03:10:15,997 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 15 variables, input treesize:1581, output treesize:907 [2019-08-31 03:10:16,514 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:10:16,516 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:10:16,592 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 03:10:16,607 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 03:10:17,150 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 03:10:17,175 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 03:10:18,576 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 03:10:20,397 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:10:22,433 INFO L496 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:10:22,452 INFO L496 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:22:33,601 WARN L188 SmtUtils]: Spent 12.19 m on a formula simplification. DAG size of input: 390 DAG size of output: 356 [2019-08-31 03:22:33,601 INFO L567 ElimStorePlain]: treesize reduction 2217, result has 48.3 percent of original size [2019-08-31 03:22:34,534 INFO L496 ElimStorePlain]: Start of recursive call 10: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:22:36,563 INFO L496 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-31 03:22:37,181 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.