java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/forester-heap/dll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 03:47:20,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 03:47:20,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 03:47:20,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 03:47:20,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 03:47:20,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 03:47:20,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 03:47:20,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 03:47:20,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 03:47:20,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 03:47:20,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 03:47:20,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 03:47:20,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 03:47:20,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 03:47:20,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 03:47:20,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 03:47:20,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 03:47:20,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 03:47:20,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 03:47:20,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 03:47:20,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 03:47:20,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 03:47:20,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 03:47:20,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 03:47:20,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 03:47:20,962 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 03:47:20,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 03:47:20,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 03:47:20,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 03:47:20,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 03:47:20,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 03:47:20,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 03:47:20,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 03:47:20,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 03:47:20,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 03:47:20,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 03:47:20,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 03:47:20,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 03:47:20,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 03:47:20,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 03:47:20,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 03:47:20,972 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 [2019-10-07 03:47:20,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 03:47:20,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 03:47:20,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 03:47:20,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 03:47:20,988 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 03:47:20,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 03:47:20,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 03:47:20,988 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 03:47:20,988 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 03:47:20,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 03:47:20,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 03:47:20,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 03:47:20,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 03:47:20,989 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 03:47:20,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 03:47:20,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 03:47:20,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 03:47:20,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 03:47:20,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 03:47:20,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 03:47:20,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 03:47:20,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 03:47:20,991 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 03:47:20,992 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 03:47:21,252 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 03:47:21,264 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 03:47:21,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 03:47:21,269 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 03:47:21,269 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 03:47:21,270 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-10-07 03:47:21,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e8a73d7/dddaca7eae6149878e79512d39eedcde/FLAG24886d4a8 [2019-10-07 03:47:21,877 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 03:47:21,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/dll-optional-1.i [2019-10-07 03:47:21,899 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e8a73d7/dddaca7eae6149878e79512d39eedcde/FLAG24886d4a8 [2019-10-07 03:47:22,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85e8a73d7/dddaca7eae6149878e79512d39eedcde [2019-10-07 03:47:22,166 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 03:47:22,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 03:47:22,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 03:47:22,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 03:47:22,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 03:47:22,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1c88cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22, skipping insertion in model container [2019-10-07 03:47:22,175 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,183 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 03:47:22,232 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 03:47:22,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:47:22,721 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 03:47:22,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:47:22,832 INFO L192 MainTranslator]: Completed translation [2019-10-07 03:47:22,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22 WrapperNode [2019-10-07 03:47:22,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 03:47:22,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 03:47:22,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 03:47:22,834 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 03:47:22,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,864 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (1/1) ... [2019-10-07 03:47:22,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 03:47:22,900 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 03:47:22,900 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 03:47:22,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 03:47:22,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (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 [2019-10-07 03:47:22,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 03:47:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 03:47:22,967 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 03:47:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 03:47:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 03:47:22,967 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 03:47:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 03:47:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 03:47:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 03:47:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 03:47:22,968 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 03:47:22,969 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 03:47:22,970 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 03:47:22,971 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 03:47:22,972 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 03:47:22,973 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 03:47:22,974 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 03:47:22,975 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 03:47:22,976 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 03:47:22,977 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 03:47:22,978 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 03:47:22,979 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 03:47:22,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 03:47:22,981 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 03:47:22,982 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 03:47:22,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 03:47:22,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 03:47:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 03:47:22,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 03:47:24,383 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 03:47:24,384 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 03:47:24,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:47:24 BoogieIcfgContainer [2019-10-07 03:47:24,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 03:47:24,387 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 03:47:24,387 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 03:47:24,390 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 03:47:24,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:47:22" (1/3) ... [2019-10-07 03:47:24,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4909b73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:47:24, skipping insertion in model container [2019-10-07 03:47:24,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:47:22" (2/3) ... [2019-10-07 03:47:24,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4909b73c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:47:24, skipping insertion in model container [2019-10-07 03:47:24,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:47:24" (3/3) ... [2019-10-07 03:47:24,394 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-optional-1.i [2019-10-07 03:47:24,403 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 03:47:24,411 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 03:47:24,421 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 03:47:24,446 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 03:47:24,446 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 03:47:24,446 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 03:47:24,446 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 03:47:24,447 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 03:47:24,447 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 03:47:24,447 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 03:47:24,447 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 03:47:24,464 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 03:47:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-07 03:47:24,470 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:47:24,471 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:47:24,473 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:47:24,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:47:24,478 INFO L82 PathProgramCache]: Analyzing trace with hash -986026750, now seen corresponding path program 1 times [2019-10-07 03:47:24,487 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:47:24,488 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:24,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:24,488 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:24,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:47:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:47:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:47:24,675 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:24,675 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:47:24,676 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 03:47:24,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 03:47:24,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 03:47:24,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 03:47:24,697 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-07 03:47:24,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:47:24,720 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2019-10-07 03:47:24,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 03:47:24,721 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-07 03:47:24,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:47:24,730 INFO L225 Difference]: With dead ends: 31 [2019-10-07 03:47:24,730 INFO L226 Difference]: Without dead ends: 15 [2019-10-07 03:47:24,733 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 03:47:24,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-07 03:47:24,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-07 03:47:24,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-07 03:47:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-10-07 03:47:24,763 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2019-10-07 03:47:24,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:47:24,764 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-10-07 03:47:24,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 03:47:24,764 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-10-07 03:47:24,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 03:47:24,764 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:47:24,765 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:47:24,765 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:47:24,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:47:24,765 INFO L82 PathProgramCache]: Analyzing trace with hash 205203380, now seen corresponding path program 1 times [2019-10-07 03:47:24,766 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:47:24,766 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:24,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:24,766 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:24,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:47:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:47:25,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:47:25,136 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:25,136 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:47:25,136 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 03:47:25,138 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 03:47:25,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 03:47:25,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 03:47:25,139 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 5 states. [2019-10-07 03:47:25,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:47:25,981 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-10-07 03:47:25,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 03:47:25,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-07 03:47:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:47:25,983 INFO L225 Difference]: With dead ends: 32 [2019-10-07 03:47:25,983 INFO L226 Difference]: Without dead ends: 30 [2019-10-07 03:47:25,984 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-07 03:47:25,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-07 03:47:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-10-07 03:47:25,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-07 03:47:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-07 03:47:25,991 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-07 03:47:25,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:47:25,992 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-07 03:47:25,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 03:47:25,992 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-07 03:47:25,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 03:47:25,993 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:47:25,993 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:47:25,993 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:47:25,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:47:25,994 INFO L82 PathProgramCache]: Analyzing trace with hash -411896331, now seen corresponding path program 1 times [2019-10-07 03:47:25,994 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:47:25,994 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:25,994 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:25,995 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:47:25,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:47:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:47:26,698 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2019-10-07 03:47:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-07 03:47:26,793 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:47:26,793 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 03:47:26,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 03:47:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:47:26,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-07 03:47:26,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 03:47:26,979 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:47:27,029 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4, |v_#length_27|], 3=[|v_#valid_49|]} [2019-10-07 03:47:27,167 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 126 treesize of output 125 [2019-10-07 03:47:27,168 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:27,282 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 126 treesize of output 125 [2019-10-07 03:47:27,283 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:32,299 WARN L191 SmtUtils]: Spent 5.02 s on a formula simplification that was a NOOP. DAG size: 159 [2019-10-07 03:47:32,300 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:32,434 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 125 treesize of output 124 [2019-10-07 03:47:32,435 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:32,562 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 125 treesize of output 124 [2019-10-07 03:47:32,562 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:37,538 WARN L191 SmtUtils]: Spent 4.98 s on a formula simplification that was a NOOP. DAG size: 158 [2019-10-07 03:47:37,539 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:37,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:37,744 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 199 [2019-10-07 03:47:37,745 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:43,080 WARN L191 SmtUtils]: Spent 5.33 s on a formula simplification that was a NOOP. DAG size: 156 [2019-10-07 03:47:43,080 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:43,350 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-07 03:47:43,351 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 1 case distinctions, treesize of input 200 treesize of output 199 [2019-10-07 03:47:43,353 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:48,483 WARN L191 SmtUtils]: Spent 5.13 s on a formula simplification that was a NOOP. DAG size: 154 [2019-10-07 03:47:48,484 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:48,498 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.base_132|, |v_#memory_$Pointer$.offset_132|, v_prenex_1, v_prenex_2, v_prenex_3, v_prenex_6, |v_#memory_int_87|, v_prenex_7], 2=[|v_#memory_$Pointer$.base_126|, |v_#memory_int_88|, |v_#memory_$Pointer$.base_128|, |v_#memory_$Pointer$.offset_127|, |v_#memory_$Pointer$.offset_128|], 4=[|v_#memory_$Pointer$.base_127|, |v_#memory_$Pointer$.offset_126|]} [2019-10-07 03:47:48,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:48,582 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:48,612 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:48,785 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 124 treesize of output 113 [2019-10-07 03:47:48,785 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:52,911 WARN L191 SmtUtils]: Spent 4.13 s on a formula simplification that was a NOOP. DAG size: 150 [2019-10-07 03:47:52,912 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:52,984 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:53,004 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:53,018 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:53,065 INFO L235 Elim1Store]: Index analysis took 103 ms [2019-10-07 03:47:53,267 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 185 [2019-10-07 03:47:53,268 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:56,494 WARN L191 SmtUtils]: Spent 3.23 s on a formula simplification that was a NOOP. DAG size: 146 [2019-10-07 03:47:56,495 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:56,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:56,580 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:56,598 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:56,735 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 185 treesize of output 174 [2019-10-07 03:47:56,735 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-10-07 03:47:59,175 WARN L191 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 142 [2019-10-07 03:47:59,176 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:47:59,225 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:59,235 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:59,245 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:47:59,357 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 124 treesize of output 113 [2019-10-07 03:47:59,357 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:01,301 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification that was a NOOP. DAG size: 138 [2019-10-07 03:48:01,301 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:01,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:01,338 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:01,346 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:01,413 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 113 treesize of output 102 [2019-10-07 03:48:01,414 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:02,816 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 134 [2019-10-07 03:48:02,817 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:02,842 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:02,875 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 102 treesize of output 87 [2019-10-07 03:48:02,876 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:04,178 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 130 [2019-10-07 03:48:04,178 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:04,201 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:04,240 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 113 treesize of output 98 [2019-10-07 03:48:04,241 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:05,274 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 124 [2019-10-07 03:48:05,275 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:05,301 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:05,330 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 159 [2019-10-07 03:48:05,330 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:06,168 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-10-07 03:48:06,168 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:06,190 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,194 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,198 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,236 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 98 treesize of output 87 [2019-10-07 03:48:06,237 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:06,682 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2019-10-07 03:48:06,683 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:06,700 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,704 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,708 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:06,728 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 89 [2019-10-07 03:48:06,729 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:07,127 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-10-07 03:48:07,127 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:07,154 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 159 treesize of output 147 [2019-10-07 03:48:07,155 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:07,526 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-10-07 03:48:07,527 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:07,538 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,540 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,543 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,556 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 89 [2019-10-07 03:48:07,557 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:07,835 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2019-10-07 03:48:07,836 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:07,849 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,854 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:07,866 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 85 [2019-10-07 03:48:07,868 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:08,085 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-10-07 03:48:08,085 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:08,094 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,096 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,099 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,115 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 85 [2019-10-07 03:48:08,116 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:08,310 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-10-07 03:48:08,311 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:08,322 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,323 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,325 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,342 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 144 treesize of output 135 [2019-10-07 03:48:08,343 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:08,498 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-07 03:48:08,498 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:08,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,515 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,516 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:48:08,522 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 129 treesize of output 120 [2019-10-07 03:48:08,524 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:08,667 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-10-07 03:48:08,667 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:48:08,669 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 4 dim-1 vars, 16 dim-2 vars, End of recursive call: and 3 xjuncts. [2019-10-07 03:48:08,670 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 21 variables, input treesize:451, output treesize:306 [2019-10-07 03:48:08,830 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2019-10-07 03:48:08,842 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 03:48:08,847 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:08,857 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:08,875 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:11,327 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 142 [2019-10-07 03:48:11,338 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:11,362 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:11,371 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:11,478 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_44, v_prenex_97, v_prenex_65, v_prenex_84], 1=[v_prenex_12, v_prenex_27, |v_#length_28|, v_prenex_61, v_prenex_72, v_prenex_40, v_prenex_51], 3=[v_prenex_19, |v_#valid_50|], 4=[v_prenex_82, v_prenex_95], 7=[v_prenex_25]} [2019-10-07 03:48:15,569 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 835 treesize of output 833 [2019-10-07 03:48:15,570 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:19,677 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 835 treesize of output 833 [2019-10-07 03:48:19,678 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts.