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/forester-heap/sll-rb-cnstr_1-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:05:22,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:05:22,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:05:22,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:05:22,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:05:22,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:05:22,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:05:22,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:05:22,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:05:22,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:05:22,803 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:05:22,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:05:22,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:05:22,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:05:22,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:05:22,808 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:05:22,809 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:05:22,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:05:22,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:05:22,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:05:22,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:05:22,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:05:22,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:05:22,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:05:22,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-18 07:05:22,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-18 07:05:22,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-18 07:05:22,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-18 07:05:22,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-18 07:05:22,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-18 07:05:22,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:05:22,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:05:22,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:05:22,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:05:22,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:05:22,827 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:05:22,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:05:22,828 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:05:22,828 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:05:22,829 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:05:22,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:05:22,831 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 07:05:22,845 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:05:22,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:05:22,847 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:05:22,847 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:05:22,847 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:05:22,847 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:05:22,847 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:05:22,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:05:22,848 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:05:22,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:05:22,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:05:22,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:05:22,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:05:22,849 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:05:22,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:05:22,849 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:05:22,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:05:22,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:05:22,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:05:22,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:05:22,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:05:22,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:05:22,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:05:22,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:05:22,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:05:22,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:05:22,851 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:05:22,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:05:22,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:05:22,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:05:22,895 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:05:22,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:05:22,902 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:05:22,902 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:05:22,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-2.i [2019-08-18 07:05:22,982 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86be9020c/db102250a1dc4f71b65014a001726b07/FLAGbdb40ad6e [2019-08-18 07:05:23,537 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:05:23,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-rb-cnstr_1-2.i [2019-08-18 07:05:23,554 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86be9020c/db102250a1dc4f71b65014a001726b07/FLAGbdb40ad6e [2019-08-18 07:05:23,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/86be9020c/db102250a1dc4f71b65014a001726b07 [2019-08-18 07:05:23,839 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:05:23,841 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:05:23,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:05:23,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:05:23,846 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:05:23,847 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:05:23" (1/1) ... [2019-08-18 07:05:23,850 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23c37fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:23, skipping insertion in model container [2019-08-18 07:05:23,850 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:05:23" (1/1) ... [2019-08-18 07:05:23,858 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:05:23,903 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:05:24,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:05:24,448 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:05:24,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:05:24,584 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:05:24,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24 WrapperNode [2019-08-18 07:05:24,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:05:24,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:05:24,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:05:24,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:05:24,596 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,596 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,642 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (1/1) ... [2019-08-18 07:05:24,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:05:24,658 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:05:24,658 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:05:24,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:05:24,659 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:05:24" (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 07:05:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:05:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:05:24,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:05:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-08-18 07:05:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-08-18 07:05:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-08-18 07:05:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-08-18 07:05:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-08-18 07:05:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-08-18 07:05:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-08-18 07:05:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-08-18 07:05:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-08-18 07:05:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-08-18 07:05:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-08-18 07:05:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-08-18 07:05:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-08-18 07:05:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-08-18 07:05:24,716 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-08-18 07:05:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-08-18 07:05:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-08-18 07:05:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-08-18 07:05:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-08-18 07:05:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-08-18 07:05:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-08-18 07:05:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-08-18 07:05:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-08-18 07:05:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-08-18 07:05:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-08-18 07:05:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-08-18 07:05:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-08-18 07:05:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-08-18 07:05:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-08-18 07:05:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-08-18 07:05:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-08-18 07:05:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-08-18 07:05:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-08-18 07:05:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-08-18 07:05:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-08-18 07:05:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-08-18 07:05:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-08-18 07:05:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-08-18 07:05:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-08-18 07:05:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-18 07:05:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-18 07:05:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-18 07:05:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-18 07:05:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-18 07:05:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:05:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:05:25,293 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:05:25,294 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-08-18 07:05:25,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:05:25 BoogieIcfgContainer [2019-08-18 07:05:25,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:05:25,296 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:05:25,296 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:05:25,296 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:05:25,297 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:05:25" (1/1) ... [2019-08-18 07:05:25,310 INFO L148 IcfgInterpreter]: Started Sifa with 3 locations of interest [2019-08-18 07:05:25,313 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:05:25,320 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:05:25,328 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:05:25,330 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:05:25,423 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 07:05:25,424 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:25,450 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:25,451 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:05:25,452 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2019-08-18 07:05:25,471 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 23 [2019-08-18 07:05:25,540 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 07:05:25,639 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:25,642 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:25,642 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:123, output treesize:111 [2019-08-18 07:05:25,697 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_9|], 4=[|v_#memory_$Pointer$.base_23|, |v_#memory_$Pointer$.offset_23|]} [2019-08-18 07:05:25,710 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 07:05:26,083 WARN L188 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-08-18 07:05:26,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:26,096 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 07:05:26,424 WARN L188 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-08-18 07:05:26,425 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:26,433 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 07:05:26,697 WARN L188 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-18 07:05:26,697 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:26,699 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:26,700 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:219, output treesize:216 [2019-08-18 07:05:26,722 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 07:05:27,174 WARN L188 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2019-08-18 07:05:27,174 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:27,176 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:27,176 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:243, output treesize:231 [2019-08-18 07:05:27,212 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_17|, |v_#memory_int_18|], 4=[|v_#memory_int_26|], 6=[|v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_16|]} [2019-08-18 07:05:27,240 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 07:05:28,492 WARN L188 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 140 [2019-08-18 07:05:28,492 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:28,511 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 07:05:30,077 WARN L188 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 137 [2019-08-18 07:05:30,077 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:30,087 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 07:05:31,539 WARN L188 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 133 [2019-08-18 07:05:31,539 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:31,553 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 07:05:32,966 WARN L188 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 129 [2019-08-18 07:05:32,966 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:32,977 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 07:05:34,684 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 125 [2019-08-18 07:05:34,685 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:34,687 INFO L496 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 5 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:34,687 INFO L221 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:381, output treesize:450 [2019-08-18 07:05:34,867 INFO L392 ElimStorePlain]: Different costs {0=[|v_#length_12|], 1=[|v_#valid_22|]} [2019-08-18 07:05:34,880 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 07:05:34,880 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:34,958 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:34,971 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 07:05:34,972 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,057 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,059 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_26|, |v_#memory_$Pointer$.offset_26|, |v_#memory_int_27|], 2=[|v_#memory_int_9|]} [2019-08-18 07:05:35,107 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,108 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 1 case distinctions, treesize of input 27 treesize of output 39 [2019-08-18 07:05:35,109 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,249 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-08-18 07:05:35,250 INFO L567 ElimStorePlain]: treesize reduction 16, result has 87.7 percent of original size [2019-08-18 07:05:35,285 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,286 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 1 case distinctions, treesize of input 27 treesize of output 39 [2019-08-18 07:05:35,287 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,406 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 62 [2019-08-18 07:05:35,406 INFO L567 ElimStorePlain]: treesize reduction 24, result has 80.8 percent of original size [2019-08-18 07:05:35,414 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 07:05:35,414 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,457 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,466 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 07:05:35,466 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,501 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,503 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:35,506 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 4 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-08-18 07:05:35,507 INFO L221 ElimStorePlain]: Needed 7 recursive calls to eliminate 8 variables, input treesize:126, output treesize:71 [2019-08-18 07:05:35,509 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:35,536 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_28|], 6=[|v_#memory_$Pointer$.base_27|, |v_#memory_$Pointer$.offset_27|]} [2019-08-18 07:05:35,552 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 99 treesize of output 95 [2019-08-18 07:05:35,553 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,568 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:35,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 1 [2019-08-18 07:05:35,570 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,640 INFO L567 ElimStorePlain]: treesize reduction 3, result has 96.8 percent of original size [2019-08-18 07:05:35,646 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:35,649 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 07:05:35,649 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,684 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:35,692 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 34 treesize of output 14 [2019-08-18 07:05:35,693 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:35,715 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 07:05:35,715 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 5 variables, input treesize:206, output treesize:54 [2019-08-18 07:05:35,720 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:35,729 INFO L392 ElimStorePlain]: Different costs {1=[|v_#length_13|], 3=[|v_#valid_23|]} [2019-08-18 07:05:35,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:35,780 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 246 [2019-08-18 07:05:35,781 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:35,810 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:35,829 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 239 [2019-08-18 07:05:35,831 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:36,532 WARN L188 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 99 [2019-08-18 07:05:36,532 INFO L567 ElimStorePlain]: treesize reduction 251, result has 47.7 percent of original size [2019-08-18 07:05:36,594 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:36,595 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-08-18 07:05:36,596 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:37,098 WARN L188 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2019-08-18 07:05:37,099 INFO L567 ElimStorePlain]: treesize reduction 14, result has 94.2 percent of original size [2019-08-18 07:05:37,102 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_29|], 2=[|v_#memory_int_17|, |v_#memory_int_18|], 6=[|v_#memory_$Pointer$.base_28|, |v_#memory_$Pointer$.base_16|, |v_#memory_$Pointer$.offset_28|, |v_#memory_$Pointer$.offset_16|]} [2019-08-18 07:05:37,122 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:37,145 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 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 07:05:37,145 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:37,388 WARN L188 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-08-18 07:05:37,389 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:37,395 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 07:05:37,571 WARN L188 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2019-08-18 07:05:37,572 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:37,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:37,586 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2019-08-18 07:05:37,586 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:37,859 WARN L188 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 86 [2019-08-18 07:05:37,860 INFO L567 ElimStorePlain]: treesize reduction 4, result has 98.0 percent of original size [2019-08-18 07:05:37,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:37,878 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 07:05:37,879 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:37,989 WARN L188 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-08-18 07:05:37,989 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:37,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:38,002 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:38,004 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-18 07:05:38,005 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:38,084 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:38,101 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:38,104 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 07:05:38,105 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:38,173 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:38,180 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:38,181 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-08-18 07:05:38,183 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 18 [2019-08-18 07:05:38,184 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-08-18 07:05:38,233 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-08-18 07:05:38,234 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, 7 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-08-18 07:05:38,234 INFO L221 ElimStorePlain]: Needed 11 recursive calls to eliminate 11 variables, input treesize:482, output treesize:93 [2019-08-18 07:05:38,262 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,265 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,270 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,274 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,275 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,277 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,280 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-18 07:05:38,285 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,286 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-18 07:05:38,288 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 4 terms [2019-08-18 07:05:38,300 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,307 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,315 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,322 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,342 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,357 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,364 INFO L320 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-08-18 07:05:38,384 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:05:38,384 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:05:38,390 INFO L179 IcfgInterpreter]: Location mainErr2ASSERT_VIOLATIONERROR_FUNCTION has predicate 578#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~end~0.offset_42 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_main_~end~0.base_42 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.offset 0)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (+ (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13) 4))) (not (= (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13) 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= main_~list~0.offset 0)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.base| v_prenex_16) v_prenex_15) main_~end~0.base) (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_16) v_prenex_15)) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_18) v_prenex_17)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED)) (= (select (select |#memory_$Pointer$.base| v_prenex_18) v_prenex_17) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (+ (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.base)))) [2019-08-18 07:05:38,390 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 647#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base)) [2019-08-18 07:05:38,391 INFO L179 IcfgInterpreter]: Location mainErr1ASSERT_VIOLATIONERROR_FUNCTION has predicate 629#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))) [2019-08-18 07:05:38,407 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:05:38,407 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:05:38,409 INFO L168 Benchmark]: Toolchain (without parser) took 14568.38 ms. Allocated memory was 130.5 MB in the beginning and 272.6 MB in the end (delta: 142.1 MB). Free memory was 85.7 MB in the beginning and 136.2 MB in the end (delta: -50.5 MB). Peak memory consumption was 150.1 MB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,410 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 743.26 ms. Allocated memory was 130.5 MB in the beginning and 200.3 MB in the end (delta: 69.7 MB). Free memory was 85.4 MB in the beginning and 165.1 MB in the end (delta: -79.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,412 INFO L168 Benchmark]: Boogie Preprocessor took 72.27 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,417 INFO L168 Benchmark]: RCFGBuilder took 637.16 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 119.0 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,418 INFO L168 Benchmark]: Symbolic Interpretation took 13111.64 ms. Allocated memory was 200.3 MB in the beginning and 272.6 MB in the end (delta: 72.4 MB). Free memory was 119.0 MB in the beginning and 136.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. [2019-08-18 07:05:38,431 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1038]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 578#(exists ((v_prenex_16 Int) (v_prenex_15 Int) (v_main_~end~0.offset_42 Int) (v_prenex_18 Int) (v_prenex_17 Int) (v_prenex_14 Int) (v_prenex_13 Int) (v_main_~end~0.base_42 Int)) (or (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= main_~end~0.offset 0)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (+ (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13) 4))) (not (= (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13) 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_prenex_14) v_prenex_13)) (select (select |#memory_$Pointer$.offset| v_prenex_14) v_prenex_13))) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= main_~list~0.offset 0)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 main_~list~0.base)) (= ~unnamed1~0~BLACK (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= ~unnamed1~0~RED (select (select |#memory_int| main_~list~0.base) (+ main_~list~0.offset 4))) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| main_~list~0.base) main_~list~0.offset)) (select (select |#memory_$Pointer$.offset| main_~list~0.base) main_~list~0.offset)) main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~list~0.offset main_~end~0.offset) (not (= 0 main_~end~0.base)) (= main_~list~0.base main_~end~0.base) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= (select (select |#memory_$Pointer$.base| v_prenex_16) v_prenex_15) main_~end~0.base) (not (= main_~end~0.offset 0)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_16) v_prenex_15)) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED))) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= main_~end~0.offset (select (select |#memory_$Pointer$.offset| v_prenex_18) v_prenex_17)) (not (= 0 main_~end~0.base)) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~RED)) (= (select (select |#memory_$Pointer$.base| v_prenex_18) v_prenex_17) main_~end~0.base)) (and (= (select (select |#memory_$Pointer$.offset| main_~end~0.base) main_~end~0.offset) 0) (= ~unnamed1~0~RED (select (select |#memory_int| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (+ (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42) 4))) (= (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.offset) (= (select (select |#memory_$Pointer$.base| main_~end~0.base) main_~end~0.offset) 0) (not (= 0 (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (= (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| v_main_~end~0.base_42) v_main_~end~0.offset_42)) (select (select |#memory_$Pointer$.offset| v_main_~end~0.base_42) v_main_~end~0.offset_42))) main_~end~0.base)))). Possible FailurePath: - UnprovableResult [Line: 1027]: 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 647#(and (= 0 main_~end~0.base) (= main_~list~0.offset main_~end~0.offset) (= main_~end~0.offset 0) (= main_~list~0.base main_~end~0.base)). Possible FailurePath: - UnprovableResult [Line: 1028]: 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 629#(and (= main_~list~0.offset main_~end~0.offset) (= main_~list~0.base main_~end~0.base) (not (= (select (select |#memory_int| main_~end~0.base) (+ main_~end~0.offset 4)) ~unnamed1~0~BLACK)) (or (not (= main_~end~0.offset 0)) (not (= 0 main_~end~0.base)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 743.26 ms. Allocated memory was 130.5 MB in the beginning and 200.3 MB in the end (delta: 69.7 MB). Free memory was 85.4 MB in the beginning and 165.1 MB in the end (delta: -79.6 MB). Peak memory consumption was 28.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.27 ms. Allocated memory is still 200.3 MB. Free memory was 165.1 MB in the beginning and 162.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 637.16 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 119.0 MB in the end (delta: 43.4 MB). Peak memory consumption was 43.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 13111.64 ms. Allocated memory was 200.3 MB in the beginning and 272.6 MB in the end (delta: 72.4 MB). Free memory was 119.0 MB in the beginning and 136.2 MB in the end (delta: -17.2 MB). Peak memory consumption was 113.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...