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/list-ext2-properties/simple_and_skiplist_2lvl-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fab3c18 [2019-08-22 21:49:48,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-22 21:49:48,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-22 21:49:48,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-22 21:49:48,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-22 21:49:48,961 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-22 21:49:48,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-22 21:49:48,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-22 21:49:48,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-22 21:49:48,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-22 21:49:48,980 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-22 21:49:48,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-22 21:49:48,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-22 21:49:48,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-22 21:49:48,988 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-22 21:49:48,989 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-22 21:49:48,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-22 21:49:48,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-22 21:49:48,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-22 21:49:48,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-22 21:49:48,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-22 21:49:48,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-22 21:49:48,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-22 21:49:48,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-22 21:49:48,999 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-22 21:49:48,999 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-22 21:49:48,999 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-22 21:49:49,000 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-22 21:49:49,000 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-22 21:49:49,001 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-22 21:49:49,002 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-22 21:49:49,002 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-22 21:49:49,003 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-22 21:49:49,003 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-22 21:49:49,004 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-22 21:49:49,005 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-22 21:49:49,005 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-22 21:49:49,006 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-22 21:49:49,006 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-22 21:49:49,007 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-22 21:49:49,009 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-22 21:49:49,010 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 [2019-08-22 21:49:49,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-22 21:49:49,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-22 21:49:49,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-22 21:49:49,030 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-22 21:49:49,030 INFO L138 SettingsManager]: * Use SBE=true [2019-08-22 21:49:49,031 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-22 21:49:49,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-22 21:49:49,031 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-22 21:49:49,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-22 21:49:49,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-22 21:49:49,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-22 21:49:49,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-22 21:49:49,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-22 21:49:49,032 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-22 21:49:49,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-22 21:49:49,033 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-22 21:49:49,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-22 21:49:49,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-22 21:49:49,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-22 21:49:49,033 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-22 21:49:49,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-22 21:49:49,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-22 21:49:49,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-22 21:49:49,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-22 21:49:49,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-22 21:49:49,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-22 21:49:49,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-22 21:49:49,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-22 21:49:49,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-22 21:49:49,072 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-22 21:49:49,084 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-22 21:49:49,088 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-22 21:49:49,089 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-22 21:49:49,089 INFO L275 PluginConnector]: CDTParser initialized [2019-08-22 21:49:49,090 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2019-08-22 21:49:49,161 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312dea05/7943d62965df413eac67a7c059a7cc65/FLAGa9de1f80f [2019-08-22 21:49:49,674 INFO L306 CDTParser]: Found 1 translation units. [2019-08-22 21:49:49,675 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-1.i [2019-08-22 21:49:49,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312dea05/7943d62965df413eac67a7c059a7cc65/FLAGa9de1f80f [2019-08-22 21:49:49,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1312dea05/7943d62965df413eac67a7c059a7cc65 [2019-08-22 21:49:50,004 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-22 21:49:50,006 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-22 21:49:50,007 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-22 21:49:50,007 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-22 21:49:50,010 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-22 21:49:50,011 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:49" (1/1) ... [2019-08-22 21:49:50,014 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb6f764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50, skipping insertion in model container [2019-08-22 21:49:50,014 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 09:49:49" (1/1) ... [2019-08-22 21:49:50,022 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-22 21:49:50,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-22 21:49:50,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:49:50,513 INFO L188 MainTranslator]: Completed pre-run [2019-08-22 21:49:50,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-22 21:49:50,624 INFO L192 MainTranslator]: Completed translation [2019-08-22 21:49:50,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50 WrapperNode [2019-08-22 21:49:50,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-22 21:49:50,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-22 21:49:50,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-22 21:49:50,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-22 21:49:50,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,658 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,658 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,687 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (1/1) ... [2019-08-22 21:49:50,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-22 21:49:50,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-22 21:49:50,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-22 21:49:50,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-22 21:49:50,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 09:49:50" (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 [2019-08-22 21:49:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-22 21:49:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-22 21:49:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-22 21:49:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-22 21:49:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-08-22 21:49:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-08-22 21:49:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-08-22 21:49:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-08-22 21:49:50,761 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-22 21:49:50,762 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-22 21:49:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-22 21:49:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-22 21:49:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-22 21:49:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-22 21:49:50,762 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-22 21:49:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-22 21:49:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-22 21:49:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-22 21:49:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-22 21:49:50,763 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-22 21:49:50,764 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-22 21:49:50,765 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-22 21:49:50,766 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-22 21:49:50,767 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-22 21:49:50,768 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-22 21:49:50,769 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-22 21:49:50,770 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-22 21:49:50,771 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-22 21:49:50,772 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-22 21:49:50,773 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-22 21:49:50,774 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-22 21:49:50,775 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-22 21:49:50,776 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-22 21:49:50,777 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-22 21:49:50,778 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-08-22 21:49:50,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-22 21:49:50,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-22 21:49:51,094 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-22 21:49:51,472 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-22 21:49:51,473 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-22 21:49:51,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:51 BoogieIcfgContainer [2019-08-22 21:49:51,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-22 21:49:51,476 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-22 21:49:51,476 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-22 21:49:51,477 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-22 21:49:51,479 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:49:51" (1/1) ... [2019-08-22 21:49:51,497 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-22 21:49:51,500 INFO L155 IcfgInterpreter]: Building call graph [2019-08-22 21:49:51,512 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-22 21:49:51,521 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-22 21:49:51,531 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-22 21:49:51,611 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 [2019-08-22 21:49:51,612 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:51,624 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:51,625 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-22 21:49:51,625 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-22 21:49:51,643 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 27 [2019-08-22 21:49:51,661 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-22 21:49:51,731 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:51,752 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,148 WARN L188 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 87 [2019-08-22 21:49:52,149 INFO L567 ElimStorePlain]: treesize reduction 199, result has 46.4 percent of original size [2019-08-22 21:49:52,155 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,253 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:52,254 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,255 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:369, output treesize:173 [2019-08-22 21:49:52,279 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,286 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,599 WARN L188 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 85 [2019-08-22 21:49:52,600 INFO L567 ElimStorePlain]: treesize reduction 171, result has 48.6 percent of original size [2019-08-22 21:49:52,608 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,703 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:52,704 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,705 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:357, output treesize:150 [2019-08-22 21:49:52,720 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,911 WARN L188 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-08-22 21:49:52,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:52,913 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:52,915 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:220, output treesize:224 [2019-08-22 21:49:52,944 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:52,985 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:53,002 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:53,012 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:53,030 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:55,635 WARN L188 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 156 DAG size of output: 140 [2019-08-22 21:49:55,636 INFO L567 ElimStorePlain]: treesize reduction 430, result has 49.1 percent of original size [2019-08-22 21:49:55,646 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:55,661 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:56,301 WARN L188 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-08-22 21:49:56,302 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:56,304 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:56,305 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:893, output treesize:391 [2019-08-22 21:49:56,351 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:56,376 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:49:58,314 WARN L188 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 153 [2019-08-22 21:49:58,315 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,317 INFO L496 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:58,318 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 9 variables, input treesize:586, output treesize:620 [2019-08-22 21:49:58,454 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 64 [2019-08-22 21:49:58,455 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,462 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 64 [2019-08-22 21:49:58,462 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,503 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,516 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 64 treesize of output 60 [2019-08-22 21:49:58,516 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,534 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 60 [2019-08-22 21:49:58,535 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,567 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,572 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 41 [2019-08-22 21:49:58,572 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,577 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 60 treesize of output 41 [2019-08-22 21:49:58,577 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,607 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:58,607 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-22 21:49:58,620 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_23|], 1=[|v_#valid_34|]} [2019-08-22 21:49:58,631 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2019-08-22 21:49:58,632 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,643 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 103 treesize of output 102 [2019-08-22 21:49:58,643 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,744 WARN L188 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-08-22 21:49:58,744 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,757 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2019-08-22 21:49:58,758 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,766 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 99 [2019-08-22 21:49:58,767 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,856 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:58,859 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_48|], 6=[|v_#memory_$Pointer$.base_48|, |v_#memory_$Pointer$.offset_48|]} [2019-08-22 21:49:58,868 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 96 treesize of output 92 [2019-08-22 21:49:58,868 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,878 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 96 treesize of output 92 [2019-08-22 21:49:58,879 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:58,967 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,001 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-22 21:49:59,001 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 90 [2019-08-22 21:49:59,002 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,039 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-22 21:49:59,040 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 84 [2019-08-22 21:49:59,041 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,136 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,170 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-22 21:49:59,171 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 81 treesize of output 79 [2019-08-22 21:49:59,172 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,201 INFO L341 Elim1Store]: treesize reduction 25, result has 43.2 percent of original size [2019-08-22 21:49:59,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 79 [2019-08-22 21:49:59,203 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,305 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-22 21:49:59,305 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:59,306 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:59,308 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:59,309 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:59,310 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-22 21:49:59,310 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 9 variables, input treesize:207, output treesize:77 [2019-08-22 21:49:59,324 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 49 [2019-08-22 21:49:59,325 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,330 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 68 treesize of output 49 [2019-08-22 21:49:59,330 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,378 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,383 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 49 treesize of output 45 [2019-08-22 21:49:59,383 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,389 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 45 [2019-08-22 21:49:59,390 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,419 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,426 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 41 [2019-08-22 21:49:59,426 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,432 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 45 treesize of output 41 [2019-08-22 21:49:59,432 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:49:59,458 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:49:59,459 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2019-08-22 21:49:59,460 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 5 variables, input treesize:137, output treesize:83 [2019-08-22 21:49:59,469 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:49:59,485 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_50|], 24=[|v_#memory_$Pointer$.offset_21|, |v_#memory_$Pointer$.base_50|, |v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_21|]} [2019-08-22 21:49:59,785 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:50:00,047 INFO L235 Elim1Store]: Index analysis took 380 ms [2019-08-22 21:50:00,907 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200 [2019-08-22 21:50:00,908 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:01,189 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-22 21:50:01,258 INFO L235 Elim1Store]: Index analysis took 157 ms [2019-08-22 21:50:01,365 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 239 treesize of output 200 [2019-08-22 21:50:01,366 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:15,504 WARN L188 SmtUtils]: Spent 14.14 s on a formula simplification. DAG size of input: 163 DAG size of output: 155 [2019-08-22 21:50:15,505 INFO L567 ElimStorePlain]: treesize reduction 188, result has 75.0 percent of original size [2019-08-22 21:50:15,517 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:50:15,576 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:50:15,638 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:50:18,221 WARN L188 SmtUtils]: Spent 2.58 s on a formula simplification that was a NOOP. DAG size: 145 [2019-08-22 21:50:18,221 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:50:18,251 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:18,311 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:50:18,312 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170 [2019-08-22 21:50:18,313 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:18,376 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:50:18,377 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 170 [2019-08-22 21:50:18,378 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:20,064 WARN L188 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 144 DAG size of output: 134 [2019-08-22 21:50:20,064 INFO L567 ElimStorePlain]: treesize reduction 72, result has 82.8 percent of original size [2019-08-22 21:50:20,158 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-22 21:50:20,159 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139 [2019-08-22 21:50:20,160 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:20,168 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:20,261 INFO L341 Elim1Store]: treesize reduction 29, result has 71.3 percent of original size [2019-08-22 21:50:20,261 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 105 treesize of output 139 [2019-08-22 21:50:20,264 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:20,833 WARN L188 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 125 [2019-08-22 21:50:20,833 INFO L567 ElimStorePlain]: treesize reduction 84, result has 78.8 percent of original size [2019-08-22 21:50:20,885 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:50:20,886 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 129 [2019-08-22 21:50:20,887 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:50:20,888 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:20,894 INFO L496 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-22 21:50:20,934 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-22 21:50:20,935 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 129 [2019-08-22 21:50:20,936 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:50:20,936 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-08-22 21:50:21,350 WARN L188 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 120 [2019-08-22 21:50:21,351 INFO L567 ElimStorePlain]: treesize reduction 44, result has 87.7 percent of original size [2019-08-22 21:50:21,351 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:50:21,352 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:50:21,354 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:50:21,355 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-08-22 21:50:21,356 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2019-08-22 21:50:21,357 INFO L221 ElimStorePlain]: Needed 15 recursive calls to eliminate 9 variables, input treesize:829, output treesize:181 [2019-08-22 21:50:21,415 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-22 21:50:21,418 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-22 21:50:21,418 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-22 21:50:21,420 INFO L179 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 221#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base)))) [2019-08-22 21:50:21,428 INFO L91 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-22 21:50:21,428 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-22 21:50:21,430 INFO L168 Benchmark]: Toolchain (without parser) took 31424.60 ms. Allocated memory was 141.6 MB in the beginning and 300.9 MB in the end (delta: 159.4 MB). Free memory was 86.7 MB in the beginning and 175.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 160.3 MB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,431 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,432 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.08 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 165.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,432 INFO L168 Benchmark]: Boogie Preprocessor took 72.68 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,433 INFO L168 Benchmark]: RCFGBuilder took 777.48 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 106.1 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,434 INFO L168 Benchmark]: Symbolic Interpretation took 29952.59 ms. Allocated memory was 201.3 MB in the beginning and 300.9 MB in the end (delta: 99.6 MB). Free memory was 106.1 MB in the beginning and 175.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. [2019-08-22 21:50:21,438 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 602]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 221#(and (not (= 2 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (or (not (= main_~p~0.offset 0)) (not (= 0 main_~p~0.base)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 618.08 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 86.5 MB in the beginning and 165.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.68 ms. Allocated memory is still 201.3 MB. Free memory was 165.0 MB in the beginning and 162.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 777.48 ms. Allocated memory is still 201.3 MB. Free memory was 162.0 MB in the beginning and 106.1 MB in the end (delta: 55.9 MB). Peak memory consumption was 55.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 29952.59 ms. Allocated memory was 201.3 MB in the beginning and 300.9 MB in the end (delta: 99.6 MB). Free memory was 106.1 MB in the beginning and 175.1 MB in the end (delta: -69.0 MB). Peak memory consumption was 120.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...