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-simple/sll2n_insert_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:14:57,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:14:57,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:14:57,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:14:57,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:14:57,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:14:57,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:14:57,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:14:57,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:14:57,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:14:57,109 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:14:57,110 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:14:57,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:14:57,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:14:57,116 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:14:57,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:14:57,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:14:57,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:14:57,122 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:14:57,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:14:57,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:14:57,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:14:57,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:14:57,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:14:57,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:14:57,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:14:57,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:14:57,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:14:57,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:14:57,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:14:57,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:14:57,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:14:57,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:14:57,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:14:57,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:14:57,140 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:14:57,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:14:57,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:14:57,141 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:14:57,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:14:57,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:14:57,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-18 07:14:57,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:14:57,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:14:57,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:14:57,179 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:14:57,179 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:14:57,179 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:14:57,179 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:14:57,180 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:14:57,180 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:14:57,180 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:14:57,181 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:14:57,181 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:14:57,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:14:57,182 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:14:57,182 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:14:57,182 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:14:57,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:14:57,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:14:57,183 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:14:57,183 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:14:57,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:14:57,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:14:57,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:14:57,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:14:57,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:14:57,185 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:14:57,185 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:14:57,185 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:14:57,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:14:57,237 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:14:57,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:14:57,257 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:14:57,259 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:14:57,259 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:14:57,260 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_insert_equal.i [2019-08-18 07:14:57,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a1abce1/6f50f8757f3b4259b5f80d97b4dcc8fd/FLAG5b489fa60 [2019-08-18 07:14:57,978 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:14:57,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_insert_equal.i [2019-08-18 07:14:57,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a1abce1/6f50f8757f3b4259b5f80d97b4dcc8fd/FLAG5b489fa60 [2019-08-18 07:14:58,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88a1abce1/6f50f8757f3b4259b5f80d97b4dcc8fd [2019-08-18 07:14:58,190 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:14:58,192 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:14:58,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:14:58,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:14:58,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:14:58,198 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,201 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7162d944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58, skipping insertion in model container [2019-08-18 07:14:58,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,208 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:14:58,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:14:58,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:14:58,759 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:14:58,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:14:58,901 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:14:58,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58 WrapperNode [2019-08-18 07:14:58,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:14:58,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:14:58,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:14:58,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:14:58,916 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,933 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,963 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... [2019-08-18 07:14:58,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:14:58,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:14:58,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:14:58,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:14:58,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:14:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:14:59,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:14:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:14:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:14:59,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:14:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:14:59,042 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-08-18 07:14:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-08-18 07:14:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-08-18 07:14:59,043 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_insert [2019-08-18 07:14:59,044 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:14:59,044 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:14:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:14:59,045 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:14:59,046 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:14:59,049 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:14:59,050 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:14:59,051 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:14:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:14:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:14:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:14:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:14:59,052 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:14:59,053 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:14:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:14:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:14:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:14:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:14:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:14:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:14:59,057 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:14:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:14:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:14:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:14:59,058 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:14:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:14:59,059 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:14:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:14:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:14:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:14:59,060 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:14:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:14:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:14:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:14:59,061 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:14:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:14:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:14:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:14:59,062 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:14:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:14:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:14:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:14:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:14:59,063 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:14:59,064 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:14:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:14:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:14:59,065 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:14:59,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:14:59,067 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:14:59,068 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:14:59,069 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:14:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-08-18 07:14:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:14:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:14:59,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure sll_insert [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:14:59,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-18 07:14:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-08-18 07:14:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:14:59,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:14:59,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:14:59,463 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:14:59,661 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:14:59,661 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-18 07:14:59,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:14:59 BoogieIcfgContainer [2019-08-18 07:14:59,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:14:59,663 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:14:59,664 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:14:59,664 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:14:59,665 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:14:59" (1/1) ... [2019-08-18 07:14:59,682 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:14:59,686 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:14:59,700 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:14:59,720 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:14:59,722 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:14:59,821 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2019-08-18 07:14:59,822 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:59,841 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:59,842 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:59,842 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:14:59,858 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:14:59,900 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_16|], 1=[|v_#valid_29|]} [2019-08-18 07:14:59,910 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 6 treesize of output 5 [2019-08-18 07:14:59,910 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:59,943 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:59,952 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 12 treesize of output 9 [2019-08-18 07:14:59,953 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:14:59,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:14:59,976 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:14:59,977 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:37, output treesize:30 [2019-08-18 07:14:59,978 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:14:59,990 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_29|, |v_#memory_$Pointer$.base_29|, |v_#memory_int_24|], 2=[|v_#memory_int_8|]} [2019-08-18 07:15:00,008 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:00,020 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 99 [2019-08-18 07:15:00,021 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,034 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:15:00,034 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,173 WARN L188 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-08-18 07:15:00,174 INFO L567 ElimStorePlain]: treesize reduction 4, result has 96.0 percent of original size [2019-08-18 07:15:00,186 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:00,188 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 20 treesize of output 9 [2019-08-18 07:15:00,189 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,269 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,280 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 19 treesize of output 1 [2019-08-18 07:15:00,281 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,324 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,335 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 11 treesize of output 7 [2019-08-18 07:15:00,335 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,373 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,374 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,374 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 4 variables, input treesize:221, output treesize:61 [2019-08-18 07:15:00,419 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:00,422 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:00,423 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,470 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,481 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:00,483 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 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:00,484 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,522 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,533 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:00,536 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 0 case distinctions, treesize of input 21 treesize of output 13 [2019-08-18 07:15:00,536 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,568 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,569 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,569 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:102, output treesize:61 [2019-08-18 07:15:00,598 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 109 treesize of output 107 [2019-08-18 07:15:00,599 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,846 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 69 [2019-08-18 07:15:00,846 INFO L567 ElimStorePlain]: treesize reduction 5, result has 96.9 percent of original size [2019-08-18 07:15:00,856 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 99 treesize of output 97 [2019-08-18 07:15:00,857 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:00,974 WARN L188 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-08-18 07:15:00,975 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:00,986 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 94 treesize of output 88 [2019-08-18 07:15:00,988 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,097 WARN L188 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-08-18 07:15:01,097 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,107 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 85 treesize of output 79 [2019-08-18 07:15:01,109 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,214 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-08-18 07:15:01,214 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,236 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 76 treesize of output 72 [2019-08-18 07:15:01,238 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,326 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,326 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:01,327 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:167, output treesize:127 [2019-08-18 07:15:01,331 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:01,354 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:01,358 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 86 [2019-08-18 07:15:01,359 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,532 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:15:01,532 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,553 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:01,557 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 95 [2019-08-18 07:15:01,558 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,689 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-08-18 07:15:01,689 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,715 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:01,720 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 84 [2019-08-18 07:15:01,721 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,832 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-08-18 07:15:01,833 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,859 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:01,865 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 0 case distinctions, treesize of input 81 treesize of output 73 [2019-08-18 07:15:01,866 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:01,984 WARN L188 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-08-18 07:15:01,984 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:01,991 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:01,994 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 0 case distinctions, treesize of input 83 treesize of output 75 [2019-08-18 07:15:01,995 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,076 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,086 INFO L172 IndexEqualityManager]: detected equality via solver [2019-08-18 07:15:02,090 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 0 case distinctions, treesize of input 72 treesize of output 64 [2019-08-18 07:15:02,091 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,196 WARN L188 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-08-18 07:15:02,196 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,197 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 6 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:02,198 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 7 variables, input treesize:214, output treesize:135 [2019-08-18 07:15:02,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:15:02,227 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-08-18 07:15:02,228 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,271 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 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:02,272 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,306 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 0 case distinctions, treesize of input 23 treesize of output 13 [2019-08-18 07:15:02,307 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,349 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,349 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:100, output treesize:37 [2019-08-18 07:15:02,391 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 54 treesize of output 35 [2019-08-18 07:15:02,392 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,398 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 54 treesize of output 35 [2019-08-18 07:15:02,399 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,434 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 35 treesize of output 31 [2019-08-18 07:15:02,434 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,445 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 35 treesize of output 31 [2019-08-18 07:15:02,446 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,469 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,474 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 31 treesize of output 27 [2019-08-18 07:15:02,475 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,482 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 31 treesize of output 27 [2019-08-18 07:15:02,483 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,505 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,506 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2019-08-18 07:15:02,506 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:109, output treesize:55 [2019-08-18 07:15:02,513 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 11 treesize of output 7 [2019-08-18 07:15:02,514 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,544 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 15 treesize of output 1 [2019-08-18 07:15:02,544 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,557 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,561 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 11 treesize of output 7 [2019-08-18 07:15:02,561 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,569 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,570 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,570 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:48, output treesize:25 [2019-08-18 07:15:02,582 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 13 treesize of output 9 [2019-08-18 07:15:02,582 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,590 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,595 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 13 treesize of output 9 [2019-08-18 07:15:02,595 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,604 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,609 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 19 treesize of output 1 [2019-08-18 07:15:02,610 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,615 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:15:02,616 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:15:02,616 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:46, output treesize:19 [2019-08-18 07:15:02,642 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:02,656 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:15:02,663 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:15:02,663 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:15:02,666 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 123#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))) [2019-08-18 07:15:02,676 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:15:02,676 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:15:02,689 INFO L168 Benchmark]: Toolchain (without parser) took 4489.79 ms. Allocated memory was 138.9 MB in the beginning and 267.9 MB in the end (delta: 129.0 MB). Free memory was 85.0 MB in the beginning and 222.7 MB in the end (delta: -137.6 MB). Peak memory consumption was 134.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,690 INFO L168 Benchmark]: CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,690 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.69 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.8 MB in the beginning and 164.7 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,691 INFO L168 Benchmark]: Boogie Preprocessor took 70.01 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,695 INFO L168 Benchmark]: RCFGBuilder took 688.51 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 114.4 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,696 INFO L168 Benchmark]: Symbolic Interpretation took 3016.36 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 114.4 MB in the beginning and 222.7 MB in the end (delta: -108.3 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:15:02,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 624]: 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 123#(or (and (or (not (= main_~ptr~0.offset 0)) (not (= 0 main_~ptr~0.base))) (= main_~temp~2.base (select (select |#memory_$Pointer$.base| main_~ptr~0.base) (+ main_~ptr~0.offset 4))) (not (= main_~data~0 (select (select |#memory_int| main_~ptr~0.base) main_~ptr~0.offset))) (= (select (select |#memory_$Pointer$.offset| main_~ptr~0.base) (+ main_~ptr~0.offset 4)) main_~temp~2.offset)) (and (= 0 main_~ptr~0.base) (not (= main_~count~0 (+ main_~len~0 1))) (= main_~ptr~0.offset 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.52 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.69 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 84.8 MB in the beginning and 164.7 MB in the end (delta: -79.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 70.01 ms. Allocated memory is still 200.3 MB. Free memory was 164.7 MB in the beginning and 161.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 688.51 ms. Allocated memory is still 200.3 MB. Free memory was 161.7 MB in the beginning and 114.4 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3016.36 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 114.4 MB in the beginning and 222.7 MB in the end (delta: -108.3 MB). Peak memory consumption was 102.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...