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-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-584d7b9 [2019-08-31 03:03:27,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-31 03:03:27,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-31 03:03:27,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-31 03:03:27,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-31 03:03:27,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-31 03:03:27,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-31 03:03:27,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-31 03:03:27,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-31 03:03:27,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-31 03:03:27,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-08-31 03:03:27,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-31 03:03:27,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-31 03:03:27,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-31 03:03:27,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-31 03:03:27,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-31 03:03:27,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-31 03:03:27,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-31 03:03:27,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-31 03:03:27,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-31 03:03:27,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-31 03:03:27,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-31 03:03:27,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-31 03:03:27,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-31 03:03:27,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-31 03:03:27,865 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-31 03:03:27,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-31 03:03:27,866 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-31 03:03:27,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-31 03:03:27,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-31 03:03:27,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-31 03:03:27,869 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-31 03:03:27,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-31 03:03:27,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-31 03:03:27,871 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-31 03:03:27,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-31 03:03:27,872 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-31 03:03:27,872 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-31 03:03:27,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-31 03:03:27,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-31 03:03:27,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-31 03:03:27,875 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 03:03:27,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-31 03:03:27,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-31 03:03:27,891 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-31 03:03:27,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-31 03:03:27,891 INFO L138 SettingsManager]: * Use SBE=true [2019-08-31 03:03:27,892 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-31 03:03:27,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-31 03:03:27,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-31 03:03:27,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-31 03:03:27,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-31 03:03:27,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-31 03:03:27,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-31 03:03:27,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-31 03:03:27,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-31 03:03:27,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-31 03:03:27,894 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-31 03:03:27,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-31 03:03:27,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-31 03:03:27,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-31 03:03:27,894 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-31 03:03:27,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-31 03:03:27,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-31 03:03:27,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-31 03:03:27,895 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-31 03:03:27,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-31 03:03:27,896 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-31 03:03:27,896 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-31 03:03:27,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-31 03:03:27,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-31 03:03:27,925 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-31 03:03:27,938 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-31 03:03:27,941 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-31 03:03:27,942 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-31 03:03:27,943 INFO L275 PluginConnector]: CDTParser initialized [2019-08-31 03:03:27,943 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2019-08-31 03:03:28,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac28d3af6/c76079d443934ac183ae68b392d78132/FLAGa9f25125f [2019-08-31 03:03:28,510 INFO L306 CDTParser]: Found 1 translation units. [2019-08-31 03:03:28,511 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/heap-manipulation/merge_sort-1.i [2019-08-31 03:03:28,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac28d3af6/c76079d443934ac183ae68b392d78132/FLAGa9f25125f [2019-08-31 03:03:28,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac28d3af6/c76079d443934ac183ae68b392d78132 [2019-08-31 03:03:28,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-31 03:03:28,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-31 03:03:28,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-31 03:03:28,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-31 03:03:28,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-31 03:03:28,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:03:28" (1/1) ... [2019-08-31 03:03:28,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@460f2a34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:28, skipping insertion in model container [2019-08-31 03:03:28,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:03:28" (1/1) ... [2019-08-31 03:03:28,843 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-31 03:03:28,905 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-31 03:03:29,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:03:29,358 INFO L188 MainTranslator]: Completed pre-run [2019-08-31 03:03:29,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-31 03:03:29,464 INFO L192 MainTranslator]: Completed translation [2019-08-31 03:03:29,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29 WrapperNode [2019-08-31 03:03:29,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-31 03:03:29,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-31 03:03:29,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-31 03:03:29,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-31 03:03:29,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,500 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,546 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (1/1) ... [2019-08-31 03:03:29,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-31 03:03:29,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-31 03:03:29,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-31 03:03:29,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-31 03:03:29,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:03:29" (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 03:03:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-31 03:03:29,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-31 03:03:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-31 03:03:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-31 03:03:29,631 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_single_node [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_pair [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_sort_core [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_before [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_after [2019-08-31 03:03:29,632 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-31 03:03:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-31 03:03:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-31 03:03:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-31 03:03:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-31 03:03:29,633 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-31 03:03:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-31 03:03:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-31 03:03:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-31 03:03:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-31 03:03:29,634 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-31 03:03:29,635 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-31 03:03:29,636 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-31 03:03:29,637 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-31 03:03:29,638 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-31 03:03:29,639 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-31 03:03:29,640 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-31 03:03:29,641 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-31 03:03:29,642 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-31 03:03:29,643 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-31 03:03:29,644 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-31 03:03:29,645 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-31 03:03:29,646 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-31 03:03:29,647 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-31 03:03:29,648 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure merge_single_node [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-31 03:03:29,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure merge_pair [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure seq_sort_core [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_before [2019-08-31 03:03:29,650 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_after [2019-08-31 03:03:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-31 03:03:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-31 03:03:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-31 03:03:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-31 03:03:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-31 03:03:30,439 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-31 03:03:30,439 INFO L283 CfgBuilder]: Removed 33 assume(true) statements. [2019-08-31 03:03:30,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:03:30 BoogieIcfgContainer [2019-08-31 03:03:30,441 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-31 03:03:30,442 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-08-31 03:03:30,442 INFO L271 PluginConnector]: Initializing Sifa... [2019-08-31 03:03:30,442 INFO L275 PluginConnector]: Sifa initialized [2019-08-31 03:03:30,443 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:03:30" (1/1) ... [2019-08-31 03:03:30,480 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-31 03:03:30,480 INFO L169 IcfgInterpreter]: Building call graph [2019-08-31 03:03:30,488 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-31 03:03:30,496 INFO L179 IcfgInterpreter]: Starting interpretation [2019-08-31 03:03:30,498 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-08-31 03:03:30,589 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 03:03:30,590 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-31 03:03:30,620 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:03:30,621 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-31 03:03:30,621 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-31 03:03:30,635 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-08-31 03:03:30,772 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 03:03:30,788 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 03:03:31,224 WARN L188 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2019-08-31 03:03:31,225 INFO L567 ElimStorePlain]: treesize reduction 227, result has 40.1 percent of original size [2019-08-31 03:03:31,227 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 03:03:31,227 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:403, output treesize:152 [2019-08-31 03:03:31,262 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.offset_55|, |v_#memory_$Pointer$.base_55|]} [2019-08-31 03:03:31,281 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 03:03:31,291 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 03:03:31,826 WARN L188 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 104 [2019-08-31 03:03:31,827 INFO L567 ElimStorePlain]: treesize reduction 225, result has 49.0 percent of original size [2019-08-31 03:03:31,835 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 03:03:32,030 WARN L188 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-31 03:03:32,031 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:03:32,041 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 03:03:32,261 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-08-31 03:03:32,261 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:03:32,264 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 03:03:32,264 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:465, output treesize:224 [2019-08-31 03:03:32,305 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:03:32,344 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 03:03:32,356 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 03:03:32,395 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 03:03:32,418 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 03:03:36,839 WARN L188 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 186 DAG size of output: 164 [2019-08-31 03:03:36,840 INFO L567 ElimStorePlain]: treesize reduction 629, result has 46.6 percent of original size [2019-08-31 03:03:36,871 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 03:03:38,878 WARN L188 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 161 [2019-08-31 03:03:38,878 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:03:38,882 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 03:03:38,883 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:1225, output treesize:574 [2019-08-31 03:03:38,921 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_27|], 4=[|v_#memory_$Pointer$.base_57|, |v_#memory_$Pointer$.offset_57|]} [2019-08-31 03:03:39,005 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 03:03:39,029 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 03:03:39,039 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 03:03:39,049 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 03:03:57,345 WARN L188 SmtUtils]: Spent 18.29 s on a formula simplification. DAG size of input: 210 DAG size of output: 194 [2019-08-31 03:03:57,346 INFO L567 ElimStorePlain]: treesize reduction 774, result has 49.5 percent of original size [2019-08-31 03:03:57,376 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 03:03:57,412 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 03:04:07,332 WARN L188 SmtUtils]: Spent 9.92 s on a formula simplification that was a NOOP. DAG size: 193 [2019-08-31 03:04:07,333 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:04:07,359 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 03:04:07,396 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 03:04:18,441 WARN L188 SmtUtils]: Spent 11.04 s on a formula simplification that was a NOOP. DAG size: 195 [2019-08-31 03:04:18,442 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-31 03:04:18,448 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 03:04:18,449 INFO L221 ElimStorePlain]: Needed 9 recursive calls to eliminate 15 variables, input treesize:1581, output treesize:907 [2019-08-31 03:04:19,001 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:04:19,005 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-31 03:04:19,068 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 03:04:19,549 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 03:04:20,584 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 03:04:20,603 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 03:04:22,230 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 03:04:23,458 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 03:04:23,470 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 03:04:23,500 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 03:15:41,417 WARN L188 SmtUtils]: Spent 11.30 m on a formula simplification. DAG size of input: 390 DAG size of output: 356 [2019-08-31 03:15:41,419 INFO L567 ElimStorePlain]: treesize reduction 2217, result has 48.3 percent of original size [2019-08-31 03:15:42,465 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 03:15:42,855 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 03:15:44,799 INFO L496 ElimStorePlain]: Start of recursive call 12: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.