/usr/bin/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/list-simple/dll2c_append_unequal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:55:28,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:55:28,804 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:55:28,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:55:28,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:55:28,825 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:55:28,827 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:55:28,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:55:28,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:55:28,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:55:28,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:55:28,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:55:28,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:55:28,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:55:28,842 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:55:28,843 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:55:28,844 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:55:28,845 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:55:28,846 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:55:28,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:55:28,851 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:55:28,853 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:55:28,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:55:28,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:55:28,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:55:28,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:55:28,860 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:55:28,861 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:55:28,862 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:55:28,863 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:55:28,863 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:55:28,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:55:28,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:55:28,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:55:28,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:55:28,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:55:28,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:55:28,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:55:28,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:55:28,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:55:28,874 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:55:28,875 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 [2019-11-07 03:55:28,891 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:55:28,892 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:55:28,893 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:55:28,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:55:28,893 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:55:28,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:55:28,894 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:55:28,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:55:28,895 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:55:28,895 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:55:28,895 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:55:28,895 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:55:28,896 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:55:28,896 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:55:28,896 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:55:28,896 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:55:28,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:55:28,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:55:28,897 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:55:28,897 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:55:28,897 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:55:28,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:55:28,898 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:55:28,898 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 [2019-11-07 03:55:29,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:55:29,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:55:29,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:55:29,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:55:29,252 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:55:29,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2019-11-07 03:55:29,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af05055e/0b2a9f2981064663b0190a0799ffd706/FLAGcd9564a00 [2019-11-07 03:55:29,902 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:55:29,905 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/dll2c_append_unequal.i [2019-11-07 03:55:29,933 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af05055e/0b2a9f2981064663b0190a0799ffd706/FLAGcd9564a00 [2019-11-07 03:55:30,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6af05055e/0b2a9f2981064663b0190a0799ffd706 [2019-11-07 03:55:30,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:55:30,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:55:30,216 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:55:30,216 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:55:30,220 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:55:30,221 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,237 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b515745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30, skipping insertion in model container [2019-11-07 03:55:30,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,256 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:55:30,333 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:55:30,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:55:30,776 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:55:30,843 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:55:30,898 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:55:30,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30 WrapperNode [2019-11-07 03:55:30,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:55:30,900 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:55:30,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:55:30,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:55:30,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,952 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (1/1) ... [2019-11-07 03:55:30,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:55:30,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:55:30,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:55:30,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:55:30,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (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 [2019-11-07 03:55:31,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:55:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:55:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 03:55:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 03:55:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 03:55:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 03:55:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2019-11-07 03:55:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_destroy [2019-11-07 03:55:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_append [2019-11-07 03:55:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:55:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 03:55:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 03:55:31,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 03:55:31,045 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 03:55:31,046 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 03:55:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 03:55:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 03:55:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 03:55:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 03:55:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 03:55:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 03:55:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 03:55:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 03:55:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 03:55:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 03:55:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 03:55:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:55:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_destroy [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_append [2019-11-07 03:55:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:55:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:55:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:55:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:55:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:55:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:55:31,506 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 03:55:32,064 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:55:32,064 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-11-07 03:55:32,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:32 BoogieIcfgContainer [2019-11-07 03:55:32,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:55:32,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:55:32,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:55:32,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:55:32,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:55:30" (1/3) ... [2019-11-07 03:55:32,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ca81b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:32, skipping insertion in model container [2019-11-07 03:55:32,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:55:30" (2/3) ... [2019-11-07 03:55:32,076 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ca81b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:55:32, skipping insertion in model container [2019-11-07 03:55:32,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:55:32" (3/3) ... [2019-11-07 03:55:32,086 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2c_append_unequal.i [2019-11-07 03:55:32,094 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:55:32,101 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:55:32,127 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:55:32,152 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:55:32,152 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:55:32,152 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:55:32,152 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:55:32,152 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:55:32,153 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:55:32,153 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:55:32,153 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:55:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-11-07 03:55:32,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-11-07 03:55:32,179 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:55:32,180 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:55:32,182 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:55:32,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:55:32,187 INFO L82 PathProgramCache]: Analyzing trace with hash -1667649290, now seen corresponding path program 1 times [2019-11-07 03:55:32,197 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:55:32,197 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966029768] [2019-11-07 03:55:32,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:55:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:55:32,529 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 03:55:32,530 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966029768] [2019-11-07 03:55:32,531 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:55:32,531 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:55:32,532 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821434536] [2019-11-07 03:55:32,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:55:32,537 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:55:32,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:55:32,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:55:32,554 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 5 states. [2019-11-07 03:55:32,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:55:32,669 INFO L93 Difference]: Finished difference Result 83 states and 102 transitions. [2019-11-07 03:55:32,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:55:32,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2019-11-07 03:55:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:55:32,680 INFO L225 Difference]: With dead ends: 83 [2019-11-07 03:55:32,681 INFO L226 Difference]: Without dead ends: 35 [2019-11-07 03:55:32,684 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-07 03:55:32,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-07 03:55:32,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-07 03:55:32,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-07 03:55:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-11-07 03:55:32,733 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 29 [2019-11-07 03:55:32,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:55:32,733 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-11-07 03:55:32,733 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:55:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-11-07 03:55:32,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-11-07 03:55:32,736 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:55:32,736 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 03:55:32,736 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:55:32,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:55:32,737 INFO L82 PathProgramCache]: Analyzing trace with hash 535728019, now seen corresponding path program 1 times [2019-11-07 03:55:32,737 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:55:32,737 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47062736] [2019-11-07 03:55:32,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:55:33,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:55:34,293 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-11-07 03:55:34,825 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 37 [2019-11-07 03:55:35,255 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 49 [2019-11-07 03:55:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:55:35,559 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47062736] [2019-11-07 03:55:35,560 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815996769] [2019-11-07 03:55:35,560 INFO L94 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 [2019-11-07 03:55:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:55:35,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 121 conjunts are in the unsatisfiable core [2019-11-07 03:55:35,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:55:35,920 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 [2019-11-07 03:55:35,920 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:35,949 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:35,949 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:55:35,950 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:13 [2019-11-07 03:55:36,032 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2019-11-07 03:55:36,032 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,039 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,040 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,040 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:18, output treesize:3 [2019-11-07 03:55:36,195 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 13 treesize of output 9 [2019-11-07 03:55:36,195 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,209 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,210 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,210 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2019-11-07 03:55:36,312 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,313 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 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 [2019-11-07 03:55:36,314 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,393 INFO L567 ElimStorePlain]: treesize reduction 14, result has 79.7 percent of original size [2019-11-07 03:55:36,393 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,394 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:57, output treesize:55 [2019-11-07 03:55:36,493 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:36,495 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:36,499 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:36,507 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_int_121|, |v_#memory_$Pointer$.base_73|], 2=[|v_#memory_int_112|]} [2019-11-07 03:55:36,522 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 111 treesize of output 95 [2019-11-07 03:55:36,524 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,554 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 115 treesize of output 99 [2019-11-07 03:55:36,555 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,663 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-11-07 03:55:36,663 INFO L567 ElimStorePlain]: treesize reduction 101, result has 48.7 percent of original size [2019-11-07 03:55:36,682 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 29 treesize of output 17 [2019-11-07 03:55:36,682 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,733 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,739 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 34 treesize of output 14 [2019-11-07 03:55:36,739 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,771 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,772 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:36,772 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:227, output treesize:64 [2019-11-07 03:55:36,894 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_122|, |v_#memory_int_113|], 10=[|v_#memory_$Pointer$.base_74|]} [2019-11-07 03:55:36,914 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 42 treesize of output 14 [2019-11-07 03:55:36,914 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:36,980 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:36,986 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 03:55:36,989 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 34 treesize of output 14 [2019-11-07 03:55:36,990 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:37,026 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:37,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-11-07 03:55:37,204 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-11-07 03:55:37,205 INFO L341 Elim1Store]: treesize reduction 27, result has 82.7 percent of original size [2019-11-07 03:55:37,205 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 97 treesize of output 162 [2019-11-07 03:55:37,207 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:37,309 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 43 [2019-11-07 03:55:37,310 INFO L567 ElimStorePlain]: treesize reduction 177, result has 39.0 percent of original size [2019-11-07 03:55:37,312 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:37,312 INFO L221 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:172, output treesize:113 [2019-11-07 03:55:39,485 WARN L191 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-11-07 03:55:39,817 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 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 29 treesize of output 7 [2019-11-07 03:55:39,818 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:39,866 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:39,868 INFO L392 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.offset_BEFORE_CALL_1|, |v_#memory_int_BEFORE_CALL_1|], 11=[|v_#memory_$Pointer$.base_BEFORE_CALL_1|]} [2019-11-07 03:55:39,873 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 119 treesize of output 95 [2019-11-07 03:55:39,874 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:39,914 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:39,921 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2019-11-07 03:55:39,922 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-11-07 03:55:39,955 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:39,993 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:39,993 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 97 treesize of output 83 [2019-11-07 03:55:39,995 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:39,996 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:39,997 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:39,998 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:39,999 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:40,000 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:40,002 INFO L496 ElimStorePlain]: Start of recursive call 5: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:40,050 INFO L567 ElimStorePlain]: treesize reduction 36, result has 50.0 percent of original size [2019-11-07 03:55:40,051 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-11-07 03:55:40,051 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 6 variables, input treesize:199, output treesize:13 [2019-11-07 03:55:40,151 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:40,190 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:40,193 INFO L496 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:40,216 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-11-07 03:55:40,217 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2019-11-07 03:55:40,218 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:112, output treesize:86 [2019-11-07 03:55:48,337 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 48 [2019-11-07 03:55:50,529 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 54 [2019-11-07 03:55:50,556 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:50,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:50,576 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 03:55:50,628 INFO L392 ElimStorePlain]: Different costs {2=[|v_#memory_int_120|, |v_#memory_int_116|, |v_#memory_int_117|, |v_#memory_int_118|, |v_#memory_int_119|], 14=[|v_#memory_$Pointer$.offset_75|, |v_#memory_$Pointer$.base_76|], 49=[v_prenex_9, v_prenex_6]} [2019-11-07 03:55:50,736 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts.