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-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:10:38,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:10:38,123 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:10:38,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:10:38,136 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:10:38,138 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:10:38,139 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:10:38,144 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:10:38,145 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:10:38,149 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:10:38,149 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:10:38,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:10:38,156 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:10:38,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:10:38,158 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:10:38,159 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:10:38,159 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:10:38,160 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:10:38,161 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:10:38,164 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:10:38,165 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:10:38,168 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:10:38,169 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:10:38,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:10:38,173 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:10:38,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:10:38,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:10:38,174 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:10:38,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:10:38,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:10:38,177 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:10:38,178 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:10:38,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:10:38,179 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:10:38,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:10:38,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:10:38,182 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:10:38,182 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:10:38,183 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:10:38,185 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:10:38,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:10:38,187 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 07:10:38,220 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:10:38,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:10:38,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:10:38,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:10:38,226 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:10:38,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:10:38,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:10:38,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:10:38,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:10:38,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:10:38,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:10:38,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:10:38,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:10:38,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:10:38,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:10:38,229 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:10:38,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:10:38,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:10:38,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:10:38,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:10:38,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:10:38,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:10:38,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:10:38,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:10:38,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:10:38,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:10:38,232 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:10:38,232 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:10:38,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:10:38,283 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:10:38,298 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:10:38,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:10:38,303 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:10:38,303 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:10:38,304 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-08-18 07:10:38,366 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2faf8f1e/6f7e9ebc66df4c00b78d877fa9b9cffa/FLAG814ad1339 [2019-08-18 07:10:38,890 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:10:38,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext2-properties/simple_and_skiplist_2lvl-2.i [2019-08-18 07:10:38,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2faf8f1e/6f7e9ebc66df4c00b78d877fa9b9cffa/FLAG814ad1339 [2019-08-18 07:10:39,127 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2faf8f1e/6f7e9ebc66df4c00b78d877fa9b9cffa [2019-08-18 07:10:39,136 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:10:39,138 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:10:39,139 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:10:39,139 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:10:39,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:10:39,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77338c90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39, skipping insertion in model container [2019-08-18 07:10:39,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,153 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:10:39,201 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:10:39,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:10:39,605 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:10:39,660 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:10:39,721 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:10:39,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39 WrapperNode [2019-08-18 07:10:39,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:10:39,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:10:39,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:10:39,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:10:39,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,785 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (1/1) ... [2019-08-18 07:10:39,792 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:10:39,793 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:10:39,793 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:10:39,793 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:10:39,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:10:39" (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 07:10:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:10:39,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:10:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-08-18 07:10:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-08-18 07:10:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-08-18 07:10:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_or_die [2019-08-18 07:10:39,844 INFO L138 BoogieDeclarations]: Found implementation of procedure create_sl_with_head_and_tail [2019-08-18 07:10:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure sl_random_insert [2019-08-18 07:10:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_sl [2019-08-18 07:10:39,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:10:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:10:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:10:39,845 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:10:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:10:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:10:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:10:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:10:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:10:39,847 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-08-18 07:10:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:10:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:10:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:10:39,851 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:10:39,852 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:10:39,853 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:10:39,854 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:10:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:10:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:10:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:10:39,856 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:10:39,857 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:10:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:10:39,858 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:10:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:10:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:10:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:10:39,859 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:10:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:10:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:10:39,860 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:10:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:10:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:10:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:10:39,861 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:10:39,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:10:39,863 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:10:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:10:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:10:39,864 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:10:39,865 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:10:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:10:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:10:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:10:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-08-18 07:10:39,866 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_or_die [2019-08-18 07:10:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:10:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure create_sl_with_head_and_tail [2019-08-18 07:10:39,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure sl_random_insert [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_sl [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:10:39,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:10:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:10:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:10:39,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:10:40,221 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-08-18 07:10:40,565 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:10:40,566 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-08-18 07:10:40,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:10:40 BoogieIcfgContainer [2019-08-18 07:10:40,567 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:10:40,568 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:10:40,568 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:10:40,568 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:10:40,569 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:10:40" (1/1) ... [2019-08-18 07:10:40,581 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:10:40,584 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:10:40,594 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:10:40,603 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:10:40,604 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:10:40,680 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 07:10:40,681 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:40,699 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:40,699 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:10:40,700 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:10:40,709 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:10:40,728 WARN L89 DagInterpreter]: A function never reaches its return [2019-08-18 07:10:40,790 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:40,807 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:40,831 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:40,842 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:41,254 WARN L188 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 84 [2019-08-18 07:10:41,255 INFO L567 ElimStorePlain]: treesize reduction 510, result has 23.8 percent of original size [2019-08-18 07:10:41,261 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:41,347 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:41,348 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:41,349 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:717, output treesize:147 [2019-08-18 07:10:41,366 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:10:41,403 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:42,528 WARN L188 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-08-18 07:10:42,528 INFO L567 ElimStorePlain]: treesize reduction 130, result has 72.6 percent of original size [2019-08-18 07:10:42,530 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 2 xjuncts. [2019-08-18 07:10:42,531 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:470, output treesize:344 [2019-08-18 07:10:42,576 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:42,590 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:42,604 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:42,611 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:45,219 WARN L188 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2019-08-18 07:10:45,220 INFO L567 ElimStorePlain]: treesize reduction 424, result has 49.1 percent of original size [2019-08-18 07:10:45,246 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:45,257 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,024 WARN L188 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-18 07:10:46,024 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,027 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. [2019-08-18 07:10:46,027 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:881, output treesize:385 [2019-08-18 07:10:46,061 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_22|], 1=[|v_#valid_33|]} [2019-08-18 07:10:46,068 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 07:10:46,069 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,097 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,104 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 07:10:46,105 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,129 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,137 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 07:10:46,137 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,167 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 07:10:46,167 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,183 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,188 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 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 07:10:46,188 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,201 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,202 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,202 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:75, output treesize:34 [2019-08-18 07:10:46,208 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_44|, |v_#memory_$Pointer$.base_44|], 2=[|v_#memory_int_44|]} [2019-08-18 07:10:46,212 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:10:46,213 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,225 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 101 treesize of output 97 [2019-08-18 07:10:46,225 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,297 INFO L567 ElimStorePlain]: treesize reduction 4, result has 95.9 percent of original size [2019-08-18 07:10:46,311 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 07:10:46,312 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,348 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,358 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:10:46,360 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 27 treesize of output 11 [2019-08-18 07:10:46,361 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,391 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,392 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:203, output treesize:70 [2019-08-18 07:10:46,396 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_45|, |v_#memory_int_45|, |v_#memory_$Pointer$.offset_45|], 2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|]} [2019-08-18 07:10:46,404 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 07:10:46,404 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,429 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,440 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:10:46,442 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 22 treesize of output 7 [2019-08-18 07:10:46,454 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,473 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,476 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 07:10:46,476 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,488 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,491 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 07:10:46,492 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,502 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,506 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 07:10:46,506 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:46,517 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:46,518 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,518 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:85, output treesize:32 [2019-08-18 07:10:46,541 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:10:46,595 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,600 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,609 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,615 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:46,940 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 84 [2019-08-18 07:10:46,941 INFO L567 ElimStorePlain]: treesize reduction 510, result has 23.8 percent of original size [2019-08-18 07:10:46,944 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:47,021 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:47,022 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:47,023 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:717, output treesize:147 [2019-08-18 07:10:47,028 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:10:47,051 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:47,982 WARN L188 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 118 [2019-08-18 07:10:47,983 INFO L567 ElimStorePlain]: treesize reduction 130, result has 72.6 percent of original size [2019-08-18 07:10:47,984 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 2 xjuncts. [2019-08-18 07:10:47,984 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:470, output treesize:344 [2019-08-18 07:10:48,015 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:48,022 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:48,035 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:48,055 INFO L496 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:51,260 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 157 DAG size of output: 141 [2019-08-18 07:10:51,261 INFO L567 ElimStorePlain]: treesize reduction 424, result has 49.1 percent of original size [2019-08-18 07:10:51,273 INFO L496 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:51,281 INFO L496 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:52,148 WARN L188 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-18 07:10:52,149 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,151 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. [2019-08-18 07:10:52,151 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 6 variables, input treesize:881, output treesize:385 [2019-08-18 07:10:52,198 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_25|], 1=[|v_#valid_36|]} [2019-08-18 07:10:52,204 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 07:10:52,205 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,231 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,240 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 07:10:52,241 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,267 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,277 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 07:10:52,277 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,306 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 07:10:52,306 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,328 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,333 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 07:10:52,333 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,349 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,349 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,350 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 5 variables, input treesize:75, output treesize:34 [2019-08-18 07:10:52,355 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_51|, |v_#memory_$Pointer$.offset_51|], 2=[|v_#memory_int_51|]} [2019-08-18 07:10:52,360 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-08-18 07:10:52,360 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,368 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 101 treesize of output 97 [2019-08-18 07:10:52,369 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,439 INFO L567 ElimStorePlain]: treesize reduction 4, result has 95.9 percent of original size [2019-08-18 07:10:52,446 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 07:10:52,446 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,482 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:10:52,492 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 27 treesize of output 11 [2019-08-18 07:10:52,492 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,522 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:52,522 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:203, output treesize:70 [2019-08-18 07:10:52,532 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_52|, |v_#memory_$Pointer$.base_52|, |v_#memory_$Pointer$.offset_52|], 2=[|v_#memory_$Pointer$.offset_19|, |v_#memory_$Pointer$.base_19|]} [2019-08-18 07:10:52,539 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:10:52,540 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 22 treesize of output 7 [2019-08-18 07:10:52,540 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,563 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,569 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 07:10:52,569 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,587 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,591 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 07:10:52,592 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,605 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,608 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 07:10:52,608 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,618 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,621 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 07:10:52,622 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:10:52,632 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:10:52,633 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 5 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:10:52,633 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 7 variables, input treesize:85, output treesize:32 [2019-08-18 07:10:52,638 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:10:52,638 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:10:52,640 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 157#(exists ((v_main_~p~0.offset_18 Int) (v_main_~p~0.base_22 Int) (v_main_~p~0.offset_22 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= 0 (select (select |#memory_$Pointer$.base| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4))) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4)) 0) (= main_~a~0.offset main_~p~0.offset) (= 1 (select (select |#memory_int| v_main_~p~0.base_22) v_main_~p~0.offset_22))) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= 0 (select (select |#memory_$Pointer$.base| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4)) 0) (= main_~a~0.offset main_~p~0.offset) (= 1 (select (select |#memory_int| v_main_~p~0.base_22) v_main_~p~0.offset_22))))) [2019-08-18 07:10:52,648 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:10:52,648 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:10:52,650 INFO L168 Benchmark]: Toolchain (without parser) took 13512.30 ms. Allocated memory was 133.2 MB in the beginning and 304.1 MB in the end (delta: 170.9 MB). Free memory was 87.6 MB in the beginning and 100.0 MB in the end (delta: -12.4 MB). Peak memory consumption was 159.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:10:52,650 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:10:52,651 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.41 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 163.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:10:52,652 INFO L168 Benchmark]: Boogie Preprocessor took 69.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 159.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-18 07:10:52,653 INFO L168 Benchmark]: RCFGBuilder took 774.80 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 104.1 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:10:52,653 INFO L168 Benchmark]: Symbolic Interpretation took 12080.55 ms. Allocated memory was 200.3 MB in the beginning and 304.1 MB in the end (delta: 103.8 MB). Free memory was 104.1 MB in the beginning and 100.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:10:52,657 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 601]: 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 157#(exists ((v_main_~p~0.offset_18 Int) (v_main_~p~0.base_22 Int) (v_main_~p~0.offset_22 Int) (v_main_~p~0.base_18 Int)) (or (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= (select (select |#memory_$Pointer$.base| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4)) main_~p~0.base) (= main_~p~0.offset (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_18) (+ v_main_~p~0.offset_18 4))) (not (= 0 main_~p~0.base))) (and (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= 0 (select (select |#memory_$Pointer$.base| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4))) (not (= 0 main_~p~0.base)) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4)) 0) (= main_~a~0.offset main_~p~0.offset) (= 1 (select (select |#memory_int| v_main_~p~0.base_22) v_main_~p~0.offset_22))) (and (not (= main_~p~0.offset 0)) (not (= 1 (select (select |#memory_int| main_~p~0.base) main_~p~0.offset))) (= main_~a~0.base main_~p~0.base) (= 0 (select (select |#memory_$Pointer$.base| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4))) (= (select (select |#memory_$Pointer$.offset| v_main_~p~0.base_22) (+ v_main_~p~0.offset_22 4)) 0) (= main_~a~0.offset main_~p~0.offset) (= 1 (select (select |#memory_int| v_main_~p~0.base_22) v_main_~p~0.offset_22))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 133.2 MB. Free memory is still 107.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 583.41 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.2 MB in the beginning and 163.7 MB in the end (delta: -76.5 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.97 ms. Allocated memory is still 200.3 MB. Free memory was 163.7 MB in the beginning and 159.8 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 774.80 ms. Allocated memory is still 200.3 MB. Free memory was 159.8 MB in the beginning and 104.1 MB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 12080.55 ms. Allocated memory was 200.3 MB in the beginning and 304.1 MB in the end (delta: 103.8 MB). Free memory was 104.1 MB in the beginning and 100.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 108.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...