/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/sll2n_append_equal.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 03:57:22,582 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 03:57:22,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 03:57:22,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 03:57:22,597 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 03:57:22,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 03:57:22,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 03:57:22,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 03:57:22,605 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 03:57:22,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 03:57:22,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 03:57:22,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 03:57:22,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 03:57:22,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 03:57:22,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 03:57:22,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 03:57:22,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 03:57:22,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 03:57:22,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 03:57:22,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 03:57:22,619 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 03:57:22,620 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 03:57:22,621 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 03:57:22,622 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 03:57:22,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 03:57:22,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 03:57:22,625 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 03:57:22,626 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 03:57:22,626 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 03:57:22,627 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 03:57:22,628 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 03:57:22,628 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 03:57:22,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 03:57:22,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 03:57:22,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 03:57:22,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 03:57:22,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 03:57:22,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 03:57:22,633 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 03:57:22,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 03:57:22,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 03:57:22,635 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 03:57:22,653 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 03:57:22,653 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 03:57:22,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 03:57:22,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 03:57:22,657 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 03:57:22,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 03:57:22,658 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 03:57:22,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 03:57:22,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 03:57:22,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 03:57:22,659 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 03:57:22,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 03:57:22,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 03:57:22,660 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 03:57:22,660 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 03:57:22,660 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 03:57:22,660 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 03:57:22,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 03:57:22,661 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 03:57:22,661 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 03:57:22,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 03:57:22,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:57:22,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 03:57:22,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 03:57:22,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 03:57:22,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 03:57:22,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 03:57:22,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 03:57:22,664 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 03:57:22,947 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 03:57:22,961 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 03:57:22,964 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 03:57:22,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 03:57:22,966 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 03:57:22,967 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-11-07 03:57:23,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6cfb204f/cb56ed0e8b0242f4a4bb8b3ef4fdbf03/FLAGd8a56ce8e [2019-11-07 03:57:23,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 03:57:23,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_append_equal.i [2019-11-07 03:57:23,660 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6cfb204f/cb56ed0e8b0242f4a4bb8b3ef4fdbf03/FLAGd8a56ce8e [2019-11-07 03:57:23,910 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6cfb204f/cb56ed0e8b0242f4a4bb8b3ef4fdbf03 [2019-11-07 03:57:23,926 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 03:57:23,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 03:57:23,943 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 03:57:23,943 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 03:57:23,947 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 03:57:23,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:23" (1/1) ... [2019-11-07 03:57:23,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26cda43c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:23, skipping insertion in model container [2019-11-07 03:57:23,964 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 03:57:23" (1/1) ... [2019-11-07 03:57:23,982 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 03:57:24,045 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 03:57:24,500 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:57:24,518 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 03:57:24,579 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 03:57:24,645 INFO L192 MainTranslator]: Completed translation [2019-11-07 03:57:24,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24 WrapperNode [2019-11-07 03:57:24,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 03:57:24,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 03:57:24,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 03:57:24,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 03:57:24,660 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,660 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,679 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,700 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... [2019-11-07 03:57:24,731 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 03:57:24,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 03:57:24,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 03:57:24,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 03:57:24,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-11-07 03:57:24,791 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-11-07 03:57:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-11-07 03:57:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-11-07 03:57:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2019-11-07 03:57:24,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 03:57:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 03:57:24,792 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 03:57:24,793 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 03:57:24,794 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 03:57:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 03:57:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 03:57:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 03:57:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 03:57:24,795 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 03:57:24,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 03:57:24,797 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 03:57:24,798 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 03:57:24,799 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 03:57:24,800 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 03:57:24,801 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 03:57:24,802 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 03:57:24,803 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 03:57:24,804 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 03:57:24,805 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 03:57:24,806 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 03:57:24,812 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 03:57:24,813 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 03:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 03:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 03:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 03:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 03:57:24,815 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 03:57:24,816 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 03:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 03:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 03:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 03:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-11-07 03:57:24,817 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-11-07 03:57:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 03:57:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 03:57:24,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 03:57:24,819 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-11-07 03:57:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-11-07 03:57:24,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 03:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 03:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2019-11-07 03:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 03:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 03:57:24,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 03:57:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 03:57:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 03:57:24,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 03:57:25,216 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-11-07 03:57:25,491 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 03:57:25,491 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 03:57:25,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:25 BoogieIcfgContainer [2019-11-07 03:57:25,494 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 03:57:25,495 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 03:57:25,495 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 03:57:25,499 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 03:57:25,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 03:57:23" (1/3) ... [2019-11-07 03:57:25,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120d2004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:25, skipping insertion in model container [2019-11-07 03:57:25,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 03:57:24" (2/3) ... [2019-11-07 03:57:25,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@120d2004 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 03:57:25, skipping insertion in model container [2019-11-07 03:57:25,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 03:57:25" (3/3) ... [2019-11-07 03:57:25,502 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_append_equal.i [2019-11-07 03:57:25,512 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 03:57:25,521 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 03:57:25,533 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 03:57:25,559 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 03:57:25,559 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 03:57:25,560 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 03:57:25,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 03:57:25,560 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 03:57:25,560 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 03:57:25,560 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 03:57:25,561 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 03:57:25,580 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2019-11-07 03:57:25,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-11-07 03:57:25,587 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:25,589 INFO L410 BasicCegarLoop]: trace histogram [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 03:57:25,591 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:25,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:25,597 INFO L82 PathProgramCache]: Analyzing trace with hash 776254535, now seen corresponding path program 1 times [2019-11-07 03:57:25,607 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:25,607 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439822366] [2019-11-07 03:57:25,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:25,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:25,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:57:25,924 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439822366] [2019-11-07 03:57:25,925 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 03:57:25,925 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 03:57:25,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201207709] [2019-11-07 03:57:25,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 03:57:25,932 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:57:25,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 03:57:25,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 03:57:25,945 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 5 states. [2019-11-07 03:57:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:57:26,063 INFO L93 Difference]: Finished difference Result 81 states and 100 transitions. [2019-11-07 03:57:26,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 03:57:26,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-11-07 03:57:26,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:57:26,074 INFO L225 Difference]: With dead ends: 81 [2019-11-07 03:57:26,074 INFO L226 Difference]: Without dead ends: 35 [2019-11-07 03:57:26,078 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 03:57:26,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-11-07 03:57:26,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-11-07 03:57:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-11-07 03:57:26,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2019-11-07 03:57:26,124 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 25 [2019-11-07 03:57:26,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:57:26,124 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2019-11-07 03:57:26,125 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 03:57:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2019-11-07 03:57:26,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-11-07 03:57:26,127 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:26,127 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, 1, 1, 1] [2019-11-07 03:57:26,127 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:26,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:26,128 INFO L82 PathProgramCache]: Analyzing trace with hash -711466522, now seen corresponding path program 1 times [2019-11-07 03:57:26,128 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:26,129 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911718680] [2019-11-07 03:57:26,129 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 03:57:26,263 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911718680] [2019-11-07 03:57:26,263 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1823676930] [2019-11-07 03:57:26,264 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 03:57:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:26,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 03:57:26,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:57:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 03:57:26,473 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:57:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-07 03:57:26,613 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1818045064] [2019-11-07 03:57:26,652 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2019-11-07 03:57:26,653 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 03:57:26,662 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 03:57:26,676 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 03:57:26,677 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 03:57:26,849 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-11-07 03:57:27,044 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,206 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,215 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,225 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,255 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,263 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,272 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,331 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,355 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,363 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,371 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,379 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:28,570 INFO L197 IcfgInterpreter]: Interpreting procedure sll_create with input of size 44 for LOIs [2019-11-07 03:57:29,491 INFO L197 IcfgInterpreter]: Interpreting procedure sll_append with input of size 41 for LOIs [2019-11-07 03:57:29,598 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 40 for LOIs [2019-11-07 03:57:29,670 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-11-07 03:57:29,672 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 03:57:32,843 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 42 [2019-11-07 03:57:33,119 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-11-07 03:57:33,369 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-11-07 03:57:33,635 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 62 [2019-11-07 03:57:33,929 WARN L191 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 56 [2019-11-07 03:57:34,261 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 62 [2019-11-07 03:57:34,612 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 75 [2019-11-07 03:57:34,613 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 03:57:34,613 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [6, 6, 6] total 30 [2019-11-07 03:57:34,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053450257] [2019-11-07 03:57:34,616 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-07 03:57:34,616 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:57:34,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-07 03:57:34,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=778, Unknown=1, NotChecked=0, Total=870 [2019-11-07 03:57:34,619 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 24 states. [2019-11-07 03:57:42,099 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2019-11-07 03:57:42,326 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-11-07 03:57:42,623 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 64 [2019-11-07 03:57:42,847 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2019-11-07 03:57:43,098 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-11-07 03:57:43,313 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2019-11-07 03:57:43,562 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 74 [2019-11-07 03:57:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:57:43,707 INFO L93 Difference]: Finished difference Result 47 states and 55 transitions. [2019-11-07 03:57:43,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-07 03:57:43,708 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 32 [2019-11-07 03:57:43,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:57:43,712 INFO L225 Difference]: With dead ends: 47 [2019-11-07 03:57:43,713 INFO L226 Difference]: Without dead ends: 44 [2019-11-07 03:57:43,714 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 69 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=223, Invalid=2126, Unknown=3, NotChecked=0, Total=2352 [2019-11-07 03:57:43,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-07 03:57:43,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 38. [2019-11-07 03:57:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2019-11-07 03:57:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2019-11-07 03:57:43,724 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 32 [2019-11-07 03:57:43,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:57:43,724 INFO L462 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2019-11-07 03:57:43,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-07 03:57:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2019-11-07 03:57:43,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-07 03:57:43,726 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:57:43,726 INFO L410 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1] [2019-11-07 03:57:43,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:57:43,927 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:57:43,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:57:43,927 INFO L82 PathProgramCache]: Analyzing trace with hash -819481215, now seen corresponding path program 1 times [2019-11-07 03:57:43,928 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:57:43,928 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307300863] [2019-11-07 03:57:43,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:57:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:44,054 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 03:57:44,054 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307300863] [2019-11-07 03:57:44,054 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [202423785] [2019-11-07 03:57:44,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:57:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:57:44,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 03:57:44,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:57:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 03:57:44,192 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:57:44,296 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-07 03:57:44,296 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [424990187] [2019-11-07 03:57:44,298 INFO L159 IcfgInterpreter]: Started Sifa with 28 locations of interest [2019-11-07 03:57:44,299 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 03:57:44,299 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 03:57:44,300 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 03:57:44,300 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 03:57:44,316 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-11-07 03:57:44,388 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,163 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,176 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,188 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,202 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,215 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,227 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,238 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,249 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,260 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,272 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,282 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,292 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,300 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,346 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,374 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,386 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,399 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,412 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,426 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,438 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,449 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,460 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,482 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,491 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,499 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:57:45,652 INFO L197 IcfgInterpreter]: Interpreting procedure sll_create with input of size 44 for LOIs [2019-11-07 03:57:46,827 INFO L197 IcfgInterpreter]: Interpreting procedure sll_append with input of size 41 for LOIs [2019-11-07 03:57:46,926 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 40 for LOIs [2019-11-07 03:57:46,974 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-11-07 03:57:46,976 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 03:57:49,894 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2019-11-07 03:57:50,151 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 56 [2019-11-07 03:57:50,367 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-11-07 03:57:50,576 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 61 [2019-11-07 03:57:50,786 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2019-11-07 03:57:51,302 WARN L191 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 70 [2019-11-07 03:57:51,591 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 76 [2019-11-07 03:57:51,592 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 03:57:51,592 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [6, 6, 6] total 30 [2019-11-07 03:57:51,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569618726] [2019-11-07 03:57:51,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-07 03:57:51,594 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 03:57:51,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-07 03:57:51,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=778, Unknown=1, NotChecked=0, Total=870 [2019-11-07 03:57:51,595 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand 24 states. [2019-11-07 03:57:58,899 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-11-07 03:57:59,140 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-11-07 03:57:59,398 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2019-11-07 03:57:59,589 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2019-11-07 03:57:59,811 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2019-11-07 03:58:00,259 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 72 [2019-11-07 03:58:00,540 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 76 [2019-11-07 03:58:00,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 03:58:00,645 INFO L93 Difference]: Finished difference Result 46 states and 52 transitions. [2019-11-07 03:58:00,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-11-07 03:58:00,645 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 34 [2019-11-07 03:58:00,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 03:58:00,648 INFO L225 Difference]: With dead ends: 46 [2019-11-07 03:58:00,648 INFO L226 Difference]: Without dead ends: 44 [2019-11-07 03:58:00,650 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 75 SyntacticMatches, 5 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 10.8s TimeCoverageRelationStatistics Valid=223, Invalid=2126, Unknown=3, NotChecked=0, Total=2352 [2019-11-07 03:58:00,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2019-11-07 03:58:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2019-11-07 03:58:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-11-07 03:58:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2019-11-07 03:58:00,660 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 34 [2019-11-07 03:58:00,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 03:58:00,661 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2019-11-07 03:58:00,661 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-07 03:58:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2019-11-07 03:58:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-11-07 03:58:00,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 03:58:00,662 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, 1, 1, 1, 1, 1] [2019-11-07 03:58:00,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:58:00,874 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 03:58:00,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 03:58:00,874 INFO L82 PathProgramCache]: Analyzing trace with hash -819413697, now seen corresponding path program 1 times [2019-11-07 03:58:00,875 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 03:58:00,875 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392865553] [2019-11-07 03:58:00,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 03:58:00,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 03:58:00,950 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392865553] [2019-11-07 03:58:00,950 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115064052] [2019-11-07 03:58:00,950 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 03:58:01,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 03:58:01,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-07 03:58:01,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 03:58:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 03:58:01,091 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 03:58:01,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-11-07 03:58:01,170 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [864780838] [2019-11-07 03:58:01,172 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2019-11-07 03:58:01,172 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 03:58:01,173 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 03:58:01,173 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 03:58:01,173 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 03:58:01,192 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-11-07 03:58:01,289 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,142 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,149 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,156 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,171 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,178 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,185 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,223 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,233 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,242 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,253 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,263 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,285 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,293 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,301 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,309 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,317 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,325 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,332 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,337 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-11-07 03:58:02,474 INFO L197 IcfgInterpreter]: Interpreting procedure sll_create with input of size 44 for LOIs [2019-11-07 03:58:03,203 INFO L197 IcfgInterpreter]: Interpreting procedure sll_append with input of size 41 for LOIs [2019-11-07 03:58:03,308 INFO L197 IcfgInterpreter]: Interpreting procedure node_create with input of size 40 for LOIs [2019-11-07 03:58:03,355 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-11-07 03:58:03,357 INFO L180 IcfgInterpreter]: Interpretation finished