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/sll-optional-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 03:48:52,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 03:48:52,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 03:48:52,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 03:48:52,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 03:48:52,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 03:48:52,989 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 03:48:52,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 03:48:52,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 03:48:52,994 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 03:48:52,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 03:48:52,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 03:48:52,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 03:48:52,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 03:48:52,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 03:48:52,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 03:48:52,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 03:48:53,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 03:48:53,002 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 03:48:53,003 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 03:48:53,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 03:48:53,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 03:48:53,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 03:48:53,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 03:48:53,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 03:48:53,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 03:48:53,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 03:48:53,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 03:48:53,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 03:48:53,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 03:48:53,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 03:48:53,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 03:48:53,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 03:48:53,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 03:48:53,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 03:48:53,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 03:48:53,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 03:48:53,016 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 03:48:53,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 03:48:53,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 03:48:53,018 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 03:48:53,019 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 03:48:53,035 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 03:48:53,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 03:48:53,037 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 03:48:53,037 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 03:48:53,037 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 03:48:53,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 03:48:53,038 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 03:48:53,038 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 03:48:53,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 03:48:53,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 03:48:53,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 03:48:53,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 03:48:53,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 03:48:53,041 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 03:48:53,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 03:48:53,041 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 03:48:53,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 03:48:53,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 03:48:53,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 03:48:53,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 03:48:53,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 03:48:53,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 03:48:53,043 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 03:48:53,043 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 03:48:53,043 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 03:48:53,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 03:48:53,043 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 03:48:53,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 03:48:53,044 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 03:48:53,342 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 03:48:53,354 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 03:48:53,358 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 03:48:53,359 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 03:48:53,360 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 03:48:53,360 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-10-07 03:48:53,433 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8aef2e63/b2dec5af7d6d41fa9809ae51c0b879bd/FLAG65dd8f2de [2019-10-07 03:48:53,982 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 03:48:53,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/forester-heap/sll-optional-1.i [2019-10-07 03:48:54,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8aef2e63/b2dec5af7d6d41fa9809ae51c0b879bd/FLAG65dd8f2de [2019-10-07 03:48:54,315 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8aef2e63/b2dec5af7d6d41fa9809ae51c0b879bd [2019-10-07 03:48:54,324 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 03:48:54,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 03:48:54,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 03:48:54,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 03:48:54,330 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 03:48:54,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:54,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b94beeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54, skipping insertion in model container [2019-10-07 03:48:54,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:54,341 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 03:48:54,392 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 03:48:54,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:48:54,863 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 03:48:54,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 03:48:54,984 INFO L192 MainTranslator]: Completed translation [2019-10-07 03:48:54,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54 WrapperNode [2019-10-07 03:48:54,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 03:48:54,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 03:48:54,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 03:48:54,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 03:48:54,999 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:54,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,014 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,015 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (1/1) ... [2019-10-07 03:48:55,049 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 03:48:55,050 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 03:48:55,050 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 03:48:55,050 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 03:48:55,051 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (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 03:48:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 03:48:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 03:48:55,106 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 03:48:55,106 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-07 03:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-07 03:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-07 03:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-07 03:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-07 03:48:55,107 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-07 03:48:55,108 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-07 03:48:55,109 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-07 03:48:55,110 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-07 03:48:55,111 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-07 03:48:55,112 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-07 03:48:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-07 03:48:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-07 03:48:55,113 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-07 03:48:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-07 03:48:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-07 03:48:55,116 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-07 03:48:55,117 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-07 03:48:55,118 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-07 03:48:55,119 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-07 03:48:55,120 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-07 03:48:55,121 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-07 03:48:55,122 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-07 03:48:55,123 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 03:48:55,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 03:48:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 03:48:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 03:48:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 03:48:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 03:48:55,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 03:48:56,410 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 03:48:56,411 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-07 03:48:56,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:48:56 BoogieIcfgContainer [2019-10-07 03:48:56,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 03:48:56,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 03:48:56,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 03:48:56,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 03:48:56,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:48:54" (1/3) ... [2019-10-07 03:48:56,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3e93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:48:56, skipping insertion in model container [2019-10-07 03:48:56,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:48:54" (2/3) ... [2019-10-07 03:48:56,418 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a3e93fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:48:56, skipping insertion in model container [2019-10-07 03:48:56,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:48:56" (3/3) ... [2019-10-07 03:48:56,420 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-optional-1.i [2019-10-07 03:48:56,430 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 03:48:56,437 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 03:48:56,448 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 03:48:56,472 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 03:48:56,472 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 03:48:56,473 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 03:48:56,473 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 03:48:56,473 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 03:48:56,473 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 03:48:56,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 03:48:56,474 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 03:48:56,490 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-10-07 03:48:56,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-07 03:48:56,495 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:48:56,496 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:48:56,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:48:56,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:48:56,504 INFO L82 PathProgramCache]: Analyzing trace with hash -1730973556, now seen corresponding path program 1 times [2019-10-07 03:48:56,512 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:48:56,513 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:56,513 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:56,513 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:56,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:48:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:48:56,742 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 03:48:56,743 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:56,743 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:48:56,743 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 03:48:56,746 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 03:48:56,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 03:48:56,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 03:48:56,759 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 2 states. [2019-10-07 03:48:56,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:48:56,779 INFO L93 Difference]: Finished difference Result 31 states and 41 transitions. [2019-10-07 03:48:56,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 03:48:56,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-10-07 03:48:56,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:48:56,790 INFO L225 Difference]: With dead ends: 31 [2019-10-07 03:48:56,790 INFO L226 Difference]: Without dead ends: 15 [2019-10-07 03:48:56,793 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 03:48:56,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2019-10-07 03:48:56,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2019-10-07 03:48:56,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2019-10-07 03:48:56,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2019-10-07 03:48:56,829 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 11 [2019-10-07 03:48:56,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:48:56,829 INFO L462 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2019-10-07 03:48:56,829 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 03:48:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2019-10-07 03:48:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-07 03:48:56,830 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:48:56,830 INFO L385 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:48:56,830 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:48:56,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:48:56,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1413484106, now seen corresponding path program 1 times [2019-10-07 03:48:56,831 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:48:56,831 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:56,831 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:56,832 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:56,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:48:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:48:57,174 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 03:48:57,174 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:57,175 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 03:48:57,175 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-07 03:48:57,177 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-07 03:48:57,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-07 03:48:57,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-07 03:48:57,178 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand 5 states. [2019-10-07 03:48:57,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 03:48:57,672 INFO L93 Difference]: Finished difference Result 32 states and 34 transitions. [2019-10-07 03:48:57,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 03:48:57,673 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2019-10-07 03:48:57,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 03:48:57,674 INFO L225 Difference]: With dead ends: 32 [2019-10-07 03:48:57,674 INFO L226 Difference]: Without dead ends: 30 [2019-10-07 03:48:57,675 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 03:48:57,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2019-10-07 03:48:57,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 21. [2019-10-07 03:48:57,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-10-07 03:48:57,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2019-10-07 03:48:57,682 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 12 [2019-10-07 03:48:57,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 03:48:57,683 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2019-10-07 03:48:57,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-07 03:48:57,683 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2019-10-07 03:48:57,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-07 03:48:57,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 03:48:57,684 INFO L385 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 03:48:57,684 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 03:48:57,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 03:48:57,684 INFO L82 PathProgramCache]: Analyzing trace with hash -2131408294, now seen corresponding path program 1 times [2019-10-07 03:48:57,685 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 03:48:57,685 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:57,685 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:57,685 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 03:48:57,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 03:48:57,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:48:58,553 WARN L191 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 46 [2019-10-07 03:48:58,708 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 03:48:58,709 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 03:48:58,709 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 03:48:58,709 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 03:48:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 03:48:58,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 30 conjunts are in the unsatisfiable core [2019-10-07 03:48:58,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 03:48:58,923 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:48:58,964 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_5, v_prenex_4, |v_#length_27|], 3=[|v_#valid_49|]} [2019-10-07 03:48:59,101 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 116 treesize of output 115 [2019-10-07 03:48:59,102 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:48:59,232 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 116 treesize of output 115 [2019-10-07 03:48:59,232 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:01,902 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification that was a NOOP. DAG size: 151 [2019-10-07 03:49:01,903 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:01,998 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 115 treesize of output 114 [2019-10-07 03:49:01,999 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:02,115 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 115 treesize of output 114 [2019-10-07 03:49:02,116 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:04,627 WARN L191 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 150 [2019-10-07 03:49:04,628 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:04,707 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:04,815 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 188 treesize of output 189 [2019-10-07 03:49:04,816 INFO L496 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:07,623 WARN L191 SmtUtils]: Spent 2.81 s on a formula simplification that was a NOOP. DAG size: 148 [2019-10-07 03:49:07,623 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:07,787 INFO L341 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2019-10-07 03:49:07,788 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 190 treesize of output 189 [2019-10-07 03:49:07,789 INFO L496 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:10,334 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 146 [2019-10-07 03:49:10,335 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:10,344 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_8, |v_#memory_$Pointer$.offset_130|, v_prenex_1, |v_#memory_int_79|, v_prenex_2, v_prenex_3, |v_#memory_$Pointer$.base_130|, v_prenex_6, v_prenex_7], 2=[|v_#memory_int_80|, |v_#memory_$Pointer$.offset_124|, |v_#memory_$Pointer$.offset_125|, |v_#memory_$Pointer$.base_125|, |v_#memory_$Pointer$.base_124|], 4=[|v_#memory_$Pointer$.base_126|, |v_#memory_$Pointer$.offset_126|]} [2019-10-07 03:49:10,434 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:10,538 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 114 treesize of output 99 [2019-10-07 03:49:10,539 INFO L496 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:12,576 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 141 [2019-10-07 03:49:12,577 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:12,629 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:12,706 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 186 treesize of output 171 [2019-10-07 03:49:12,706 INFO L496 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:14,480 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 136 [2019-10-07 03:49:14,480 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:14,523 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:14,582 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 99 [2019-10-07 03:49:14,582 INFO L496 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:16,065 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 131 [2019-10-07 03:49:16,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:16,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:16,194 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 171 treesize of output 156 [2019-10-07 03:49:16,195 INFO L496 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:17,403 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 126 [2019-10-07 03:49:17,404 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:17,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:17,484 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 99 treesize of output 84 [2019-10-07 03:49:17,485 INFO L496 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:18,536 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 122 [2019-10-07 03:49:18,537 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:18,561 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:18,602 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 84 treesize of output 69 [2019-10-07 03:49:18,603 INFO L496 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:19,582 WARN L191 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-10-07 03:49:19,582 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:19,608 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:19,638 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 156 treesize of output 141 [2019-10-07 03:49:19,638 INFO L496 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:20,228 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-10-07 03:49:20,229 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:20,254 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:20,280 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 84 [2019-10-07 03:49:20,281 INFO L496 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:20,814 WARN L191 SmtUtils]: Spent 532.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-07 03:49:20,814 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:20,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:20,850 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 84 treesize of output 69 [2019-10-07 03:49:20,851 INFO L496 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:21,155 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2019-10-07 03:49:21,156 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:21,174 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 141 treesize of output 129 [2019-10-07 03:49:21,175 INFO L496 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:21,451 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-10-07 03:49:21,452 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:21,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:21,464 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 68 [2019-10-07 03:49:21,465 INFO L496 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:21,713 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-10-07 03:49:21,714 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:21,721 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:21,724 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 68 [2019-10-07 03:49:21,725 INFO L496 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:21,916 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-10-07 03:49:21,917 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:21,925 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:21,929 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2019-10-07 03:49:21,930 INFO L496 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:22,105 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-10-07 03:49:22,105 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:22,113 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:22,117 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 64 [2019-10-07 03:49:22,118 INFO L496 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:22,273 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-10-07 03:49:22,273 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:22,281 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:22,291 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 126 treesize of output 114 [2019-10-07 03:49:22,292 INFO L496 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:22,411 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-10-07 03:49:22,412 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:22,420 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-07 03:49:22,425 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 99 [2019-10-07 03:49:22,426 INFO L496 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:22,521 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 03:49:22,523 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 03:49:22,523 INFO L221 ElimStorePlain]: Needed 23 recursive calls to eliminate 21 variables, input treesize:421, output treesize:252 [2019-10-07 03:49:22,643 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-10-07 03:49:22,652 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-07 03:49:22,658 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:22,666 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:22,680 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:22,683 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:22,699 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:22,704 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-07 03:49:23,692 WARN L191 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-10-07 03:49:23,770 INFO L392 ElimStorePlain]: Different costs {0=[v_prenex_22, |v_#length_28|, v_prenex_43, v_prenex_84], 1=[v_prenex_66, v_prenex_39, v_prenex_29, v_prenex_18, v_prenex_50, v_prenex_54, v_prenex_98], 3=[v_prenex_64, v_prenex_96], 4=[v_prenex_82, |v_#valid_50|], 7=[v_prenex_61]} [2019-10-07 03:49:27,850 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 219 treesize of output 217 [2019-10-07 03:49:27,852 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-07 03:49:31,922 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 219 treesize of output 217 [2019-10-07 03:49:31,922 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-07 04:02:00,958 WARN L191 SmtUtils]: Spent 12.48 m on a formula simplification that was a NOOP. DAG size: 795 [2019-10-07 04:02:00,958 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-07 04:02:05,039 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 282 treesize of output 280 [2019-10-07 04:02:05,040 INFO L496 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts.