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_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 22:57:09,035 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 22:57:09,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 22:57:09,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 22:57:09,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 22:57:09,052 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 22:57:09,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 22:57:09,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 22:57:09,057 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 22:57:09,058 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 22:57:09,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 22:57:09,060 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 22:57:09,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 22:57:09,061 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 22:57:09,062 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 22:57:09,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 22:57:09,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 22:57:09,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 22:57:09,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 22:57:09,069 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 22:57:09,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 22:57:09,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 22:57:09,072 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 22:57:09,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 22:57:09,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 22:57:09,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 22:57:09,076 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 22:57:09,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 22:57:09,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 22:57:09,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 22:57:09,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 22:57:09,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 22:57:09,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 22:57:09,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 22:57:09,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 22:57:09,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 22:57:09,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 22:57:09,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 22:57:09,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 22:57:09,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 22:57:09,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 22:57:09,087 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 [2019-10-13 22:57:09,113 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 22:57:09,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 22:57:09,117 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 22:57:09,117 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 22:57:09,117 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 22:57:09,118 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 22:57:09,118 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 22:57:09,118 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 22:57:09,118 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 22:57:09,118 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 22:57:09,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 22:57:09,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 22:57:09,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 22:57:09,120 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 22:57:09,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 22:57:09,121 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 22:57:09,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 22:57:09,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 22:57:09,121 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 22:57:09,122 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 22:57:09,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 22:57:09,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 22:57:09,123 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 22:57:09,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 22:57:09,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 22:57:09,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 22:57:09,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 22:57:09,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 22:57:09,124 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 [2019-10-13 22:57:09,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 22:57:09,423 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 22:57:09,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 22:57:09,427 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 22:57:09,428 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 22:57:09,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-10-13 22:57:09,492 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc583b0c/6284a75b91514b4186c4711f1dbc3aa5/FLAGab106037b [2019-10-13 22:57:10,019 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 22:57:10,020 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2019-10-13 22:57:10,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc583b0c/6284a75b91514b4186c4711f1dbc3aa5/FLAGab106037b [2019-10-13 22:57:10,356 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0fc583b0c/6284a75b91514b4186c4711f1dbc3aa5 [2019-10-13 22:57:10,367 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 22:57:10,368 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 22:57:10,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 22:57:10,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 22:57:10,373 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 22:57:10,374 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:10" (1/1) ... [2019-10-13 22:57:10,377 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@728f4fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:10, skipping insertion in model container [2019-10-13 22:57:10,377 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:57:10" (1/1) ... [2019-10-13 22:57:10,384 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 22:57:10,442 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 22:57:10,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:57:10,873 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 22:57:10,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 22:57:11,010 INFO L192 MainTranslator]: Completed translation [2019-10-13 22:57:11,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11 WrapperNode [2019-10-13 22:57:11,012 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 22:57:11,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 22:57:11,013 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 22:57:11,013 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 22:57:11,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,069 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (1/1) ... [2019-10-13 22:57:11,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 22:57:11,080 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 22:57:11,080 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 22:57:11,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 22:57:11,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (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 [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 22:57:11,142 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-13 22:57:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-13 22:57:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2019-10-13 22:57:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2019-10-13 22:57:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2019-10-13 22:57:11,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 22:57:11,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 22:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 22:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 22:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 22:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 22:57:11,144 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 22:57:11,145 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 22:57:11,146 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 22:57:11,147 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 22:57:11,148 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 22:57:11,149 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 22:57:11,150 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 22:57:11,151 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 22:57:11,152 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 22:57:11,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 22:57:11,154 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 22:57:11,155 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 22:57:11,156 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 22:57:11,157 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 22:57:11,158 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 22:57:11,159 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-13 22:57:11,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 22:57:11,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 22:57:11,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 22:57:11,598 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 22:57:11,865 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 22:57:11,866 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-13 22:57:11,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:11 BoogieIcfgContainer [2019-10-13 22:57:11,867 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 22:57:11,868 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 22:57:11,868 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 22:57:11,871 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 22:57:11,872 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:57:10" (1/3) ... [2019-10-13 22:57:11,873 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd1a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:11, skipping insertion in model container [2019-10-13 22:57:11,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:57:11" (2/3) ... [2019-10-13 22:57:11,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73fd1a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:57:11, skipping insertion in model container [2019-10-13 22:57:11,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:57:11" (3/3) ... [2019-10-13 22:57:11,876 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2019-10-13 22:57:11,886 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 22:57:11,895 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 22:57:11,907 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 22:57:11,933 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 22:57:11,933 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 22:57:11,933 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 22:57:11,934 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 22:57:11,934 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 22:57:11,934 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 22:57:11,934 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 22:57:11,934 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 22:57:11,952 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states. [2019-10-13 22:57:11,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-13 22:57:11,959 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:11,960 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:11,962 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:11,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:11,969 INFO L82 PathProgramCache]: Analyzing trace with hash -489949846, now seen corresponding path program 1 times [2019-10-13 22:57:11,978 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:11,978 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532385927] [2019-10-13 22:57:11,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:11,979 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:11,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:12,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:12,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532385927] [2019-10-13 22:57:12,179 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 22:57:12,179 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 22:57:12,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446716864] [2019-10-13 22:57:12,184 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 22:57:12,185 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:12,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 22:57:12,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 22:57:12,202 INFO L87 Difference]: Start difference. First operand 43 states. Second operand 4 states. [2019-10-13 22:57:12,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:12,302 INFO L93 Difference]: Finished difference Result 70 states and 85 transitions. [2019-10-13 22:57:12,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 22:57:12,304 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-13 22:57:12,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:12,314 INFO L225 Difference]: With dead ends: 70 [2019-10-13 22:57:12,314 INFO L226 Difference]: Without dead ends: 40 [2019-10-13 22:57:12,318 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 22:57:12,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-13 22:57:12,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2019-10-13 22:57:12,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2019-10-13 22:57:12,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2019-10-13 22:57:12,367 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2019-10-13 22:57:12,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:12,368 INFO L462 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2019-10-13 22:57:12,368 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 22:57:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2019-10-13 22:57:12,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-13 22:57:12,369 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:12,369 INFO L380 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] [2019-10-13 22:57:12,370 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:12,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:12,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1365796502, now seen corresponding path program 1 times [2019-10-13 22:57:12,370 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:12,371 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904586751] [2019-10-13 22:57:12,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:12,371 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:12,371 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:12,577 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904586751] [2019-10-13 22:57:12,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556220613] [2019-10-13 22:57:12,578 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 [2019-10-13 22:57:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:12,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 22:57:12,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:57:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:57:12,739 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:57:12,869 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:57:12,870 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 22:57:12,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [13] total 15 [2019-10-13 22:57:12,870 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581548106] [2019-10-13 22:57:12,872 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 22:57:12,872 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:12,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 22:57:12,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2019-10-13 22:57:12,874 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand 7 states. [2019-10-13 22:57:12,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:12,981 INFO L93 Difference]: Finished difference Result 53 states and 62 transitions. [2019-10-13 22:57:12,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 22:57:12,981 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2019-10-13 22:57:12,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:12,983 INFO L225 Difference]: With dead ends: 53 [2019-10-13 22:57:12,983 INFO L226 Difference]: Without dead ends: 35 [2019-10-13 22:57:12,984 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2019-10-13 22:57:12,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-13 22:57:12,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2019-10-13 22:57:12,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2019-10-13 22:57:12,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2019-10-13 22:57:12,992 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 25 [2019-10-13 22:57:12,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:12,992 INFO L462 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2019-10-13 22:57:12,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 22:57:12,993 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2019-10-13 22:57:12,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-13 22:57:12,994 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:12,994 INFO L380 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:13,199 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:13,207 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:13,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:13,208 INFO L82 PathProgramCache]: Analyzing trace with hash 531961720, now seen corresponding path program 1 times [2019-10-13 22:57:13,208 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:13,208 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194830008] [2019-10-13 22:57:13,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:13,208 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:13,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:13,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194830008] [2019-10-13 22:57:13,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2032396121] [2019-10-13 22:57:13,494 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 [2019-10-13 22:57:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:13,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 22:57:13,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:57:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:57:13,655 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:57:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:57:13,769 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [720039101] [2019-10-13 22:57:13,796 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-13 22:57:13,796 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:57:13,802 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:57:13,810 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:57:13,810 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:57:13,936 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:57:14,118 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:57:16,108 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 1 for LOIs [2019-10-13 22:57:16,112 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-13 22:57:17,141 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-13 22:57:17,208 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 30 for LOIs [2019-10-13 22:57:17,223 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:57:17,226 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:57:17,227 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:57:17,227 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 864#false [2019-10-13 22:57:17,227 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 933#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 989#false [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 859#false [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 830#false [2019-10-13 22:57:17,228 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 970#(and (or (and (= |#NULL.base| 0) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-13 22:57:17,229 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 2#false [2019-10-13 22:57:17,229 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 984#(and (<= 3 sll_update_at_~data) (= 0 |#NULL.base|) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= sll_update_at_~head.offset 0) (<= 0 |#NULL.offset|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~index| 1) (<= 1 sll_update_at_~index) (<= 0 sll_update_at_~head.offset) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (= sll_update_at_~data |sll_update_at_#in~data|) (= |#memory_int| |old(#memory_int)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3)) [2019-10-13 22:57:17,229 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 965#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-13 22:57:17,229 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 2#false [2019-10-13 22:57:17,229 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 938#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:17,230 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2#false [2019-10-13 22:57:17,230 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 960#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:17,230 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 811#(and (<= 0 main_~i~0) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 3 main_~new_data~0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 1 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-13 22:57:17,230 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 783#false [2019-10-13 22:57:17,231 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 844#false [2019-10-13 22:57:17,231 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 868#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:17,231 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 993#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:57:17,231 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 956#(and (<= 0 sll_create_~len) (or (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0)) (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (<= |#NULL.base| 0) (<= |sll_create_#t~ret4.offset| 0) (<= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data))) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:17,231 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:17,232 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 849#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 main_~s~0.offset) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 1 main_~i~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-13 22:57:17,232 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 854#false [2019-10-13 22:57:17,232 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 120#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-13 22:57:17,232 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 2#false [2019-10-13 22:57:17,232 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 998#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:17,233 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 975#(exists ((v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= 0 |#NULL.offset|) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_1) node_create_~temp~0.offset node_create_~data))) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_2) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)))) [2019-10-13 22:57:17,233 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:57:17,233 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 943#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:17,233 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 979#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |sll_update_at_#in~index| 1) (<= 0 |#NULL.base|) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:18,012 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-10-13 22:57:18,488 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2019-10-13 22:57:19,131 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 22:57:19,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [14, 6, 6] total 34 [2019-10-13 22:57:19,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419512375] [2019-10-13 22:57:19,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-13 22:57:19,133 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:19,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-13 22:57:19,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=1023, Unknown=0, NotChecked=0, Total=1122 [2019-10-13 22:57:19,135 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand 20 states. [2019-10-13 22:57:20,054 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-10-13 22:57:20,808 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 49 [2019-10-13 22:57:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:21,100 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2019-10-13 22:57:21,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-13 22:57:21,101 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 32 [2019-10-13 22:57:21,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:21,105 INFO L225 Difference]: With dead ends: 54 [2019-10-13 22:57:21,105 INFO L226 Difference]: Without dead ends: 39 [2019-10-13 22:57:21,106 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 73 SyntacticMatches, 4 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=229, Invalid=2321, Unknown=0, NotChecked=0, Total=2550 [2019-10-13 22:57:21,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-13 22:57:21,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2019-10-13 22:57:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-13 22:57:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2019-10-13 22:57:21,115 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 41 transitions. Word has length 32 [2019-10-13 22:57:21,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:21,115 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 41 transitions. [2019-10-13 22:57:21,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-13 22:57:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 41 transitions. [2019-10-13 22:57:21,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-13 22:57:21,117 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:21,118 INFO L380 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 22:57:21,321 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:21,321 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:21,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:21,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1305805873, now seen corresponding path program 1 times [2019-10-13 22:57:21,322 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:21,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986471418] [2019-10-13 22:57:21,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:21,323 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:21,323 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 22:57:21,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986471418] [2019-10-13 22:57:21,515 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [553162046] [2019-10-13 22:57:21,515 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 [2019-10-13 22:57:21,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:21,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 22:57:21,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:57:21,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 22:57:21,666 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:57:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-10-13 22:57:21,745 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1796467119] [2019-10-13 22:57:21,747 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-13 22:57:21,747 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:57:21,748 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:57:21,748 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:57:21,748 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:57:21,767 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:57:21,861 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:57:25,149 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 17 for LOIs [2019-10-13 22:57:25,158 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-13 22:57:26,079 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-13 22:57:26,119 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 54 for LOIs [2019-10-13 22:57:26,208 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:57:26,210 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:57:26,210 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:57:26,211 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 1346#false [2019-10-13 22:57:26,211 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 1415#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:26,211 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 1500#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= sll_update_at_~index 0) (= sll_update_at_~data (select (select |#memory_int| sll_update_at_~head.base) sll_update_at_~head.offset)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (< 0 sll_update_at_~index)) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-13 22:57:26,211 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:26,211 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:26,212 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 1341#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 1 sll_get_data_at_~index) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= 0 sll_get_data_at_~head.offset) (<= sll_get_data_at_~index 1) (<= sll_get_data_at_~head.offset 0) (= |#NULL.offset| 0)) [2019-10-13 22:57:26,212 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 1306#(and (<= main_~expected~0 3) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 3 main_~expected~0) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-13 22:57:26,212 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 1452#(and (or (and (= |#NULL.base| 0) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-13 22:57:26,212 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 1083#false [2019-10-13 22:57:26,213 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 1495#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-13 22:57:26,213 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 1447#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-13 22:57:26,213 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 1053#false [2019-10-13 22:57:26,213 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 1420#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:26,213 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 727#false [2019-10-13 22:57:26,214 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 1442#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:26,214 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 1284#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-13 22:57:26,214 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 1232#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-13 22:57:26,214 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 1326#(and (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-13 22:57:26,214 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 1350#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:26,215 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1504#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:57:26,215 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 1438#(and (or (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (< 0 sll_create_~len) (not (= 0 |sll_create_#t~ret4.base|)) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0)) (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (< 0 sll_create_~len) (not (= 0 |sll_create_#t~ret4.base|)) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data))) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:26,215 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:26,215 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1331#(and (or (and (= 0 |#NULL.base|) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (<= 0 (+ main_~i~0 1)) (= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2))) (or (and (<= 0 (+ main_~i~0 1)) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) (and (<= 1 main_~i~0) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)))) [2019-10-13 22:57:26,216 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 1336#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (= |#NULL.offset| 0) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:26,216 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 117#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-13 22:57:26,216 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 853#false [2019-10-13 22:57:26,216 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1509#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:26,217 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 1457#(exists ((v_DerPreprocessor_4 Int) (v_DerPreprocessor_3 Int)) (or (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_4) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_3) node_create_~temp~0.offset node_create_~data)) |#memory_int|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)))) [2019-10-13 22:57:26,217 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:57:26,217 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 1425#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:26,217 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 1461#(and (or (and (<= |sll_update_at_#in~index| 0) (<= |sll_update_at_#in~data| 2) (<= 2 |sll_update_at_#in~data|)) (<= 3 |sll_update_at_#in~data|)) (or (and (<= (+ (* 2 |sll_update_at_#in~index|) 4) (* 2 |sll_update_at_#in~data|)) (= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2)) (<= (+ |sll_update_at_#in~index| 1) |sll_update_at_#in~data|) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |sll_update_at_#in~index| 0) (= |sll_update_at_#in~data| (+ (* 2 |sll_update_at_#in~index|) 2)) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= (* 2 |sll_update_at_#in~data|) (+ (* 2 |sll_update_at_#in~index|) 4)) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~data| 2) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| (+ |sll_update_at_#in~index| 2)) (<= 2 |sll_update_at_#in~data|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |sll_update_at_#in~index| 1) (<= 0 |#NULL.base|) (= |sll_update_at_#in~data| (+ (* 2 |sll_update_at_#in~index|) 1)) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (<= 0 |sll_update_at_#in~head.offset|) (= |#NULL.offset| 0) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= 1 |sll_update_at_#in~index|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2019-10-13 22:57:26,947 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 45 [2019-10-13 22:57:27,266 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2019-10-13 22:57:27,827 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2019-10-13 22:57:28,335 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 22:57:28,335 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [12, 6, 6] total 37 [2019-10-13 22:57:28,336 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338471292] [2019-10-13 22:57:28,337 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-13 22:57:28,337 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:28,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-13 22:57:28,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=1220, Unknown=0, NotChecked=0, Total=1332 [2019-10-13 22:57:28,338 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. Second operand 25 states. [2019-10-13 22:57:29,934 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-10-13 22:57:30,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:30,773 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2019-10-13 22:57:30,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2019-10-13 22:57:30,779 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 33 [2019-10-13 22:57:30,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:30,780 INFO L225 Difference]: With dead ends: 64 [2019-10-13 22:57:30,780 INFO L226 Difference]: Without dead ends: 55 [2019-10-13 22:57:30,782 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 71 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 777 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=284, Invalid=3138, Unknown=0, NotChecked=0, Total=3422 [2019-10-13 22:57:30,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2019-10-13 22:57:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 44. [2019-10-13 22:57:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-10-13 22:57:30,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2019-10-13 22:57:30,792 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 33 [2019-10-13 22:57:30,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:30,793 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2019-10-13 22:57:30,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-13 22:57:30,793 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2019-10-13 22:57:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-10-13 22:57:30,794 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:30,794 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 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, 1, 1] [2019-10-13 22:57:30,998 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:30,999 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:31,000 INFO L82 PathProgramCache]: Analyzing trace with hash 1066338386, now seen corresponding path program 1 times [2019-10-13 22:57:31,000 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:31,000 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355129047] [2019-10-13 22:57:31,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:31,001 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:31,001 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:31,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 22:57:31,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355129047] [2019-10-13 22:57:31,071 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216607096] [2019-10-13 22:57:31,071 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:31,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 22:57:31,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 22:57:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 22:57:31,291 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 22:57:31,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-10-13 22:57:31,378 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2123496934] [2019-10-13 22:57:31,380 INFO L162 IcfgInterpreter]: Started Sifa with 31 locations of interest [2019-10-13 22:57:31,380 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 22:57:31,381 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 22:57:31,381 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 22:57:31,381 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-13 22:57:31,396 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 27 for LOIs [2019-10-13 22:57:31,448 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-10-13 22:57:34,512 INFO L199 IcfgInterpreter]: Interpreting procedure sll_get_data_at with input of size 19 for LOIs [2019-10-13 22:57:34,568 INFO L199 IcfgInterpreter]: Interpreting procedure sll_create with input of size 33 for LOIs [2019-10-13 22:57:35,165 INFO L199 IcfgInterpreter]: Interpreting procedure node_create with input of size 29 for LOIs [2019-10-13 22:57:35,205 INFO L199 IcfgInterpreter]: Interpreting procedure sll_update_at with input of size 40 for LOIs [2019-10-13 22:57:35,304 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 10 for LOIs [2019-10-13 22:57:35,306 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-13 22:57:35,306 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-13 22:57:35,307 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atEXIT satisfy 1405#(and (or (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (< 0 (+ sll_get_data_at_~index 1)) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|) (not (< 0 sll_get_data_at_~index)) (= (select (select |#memory_int| sll_get_data_at_~head.base) sll_get_data_at_~head.offset) |sll_get_data_at_#res|) (<= |sll_get_data_at_#in~head.offset| 0) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (<= sll_get_data_at_~index 1) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (not (< 0 sll_get_data_at_~index)) (= (select (select |#memory_int| sll_get_data_at_~head.base) sll_get_data_at_~head.offset) |sll_get_data_at_#res|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (<= sll_get_data_at_~index 1) (= |#NULL.offset| 0))) (<= 0 |#NULL.base|) (<= sll_get_data_at_~index 0) (<= 0 sll_get_data_at_~index) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:35,307 INFO L193 IcfgInterpreter]: Reachable states at location L574-3 satisfy 1474#(and (or (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (= |sll_create_#in~data| 1)) (and (= 0 |#NULL.base|) (<= 1 sll_create_~data) (<= 2 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~len| sll_create_~len) (<= |sll_create_#in~len| 2) (= 0 sll_create_~head~0.offset) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (<= sll_create_~head~0.base 0) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= sll_create_~head~0.base 0) (<= |#NULL.base| 0) (= |sll_create_#in~data| sll_create_~data) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= sll_create_~len 2) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (= |#memory_int| |old(#memory_int)|) (<= 0 sll_create_~head~0.base) (= |#NULL.offset| 0))) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:35,307 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atEXIT satisfy 1559#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= sll_update_at_~index 0) (= sll_update_at_~data (select (select |#memory_int| sll_update_at_~head.base) sll_update_at_~head.offset)) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (not (< 0 sll_update_at_~index)) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-13 22:57:35,307 INFO L193 IcfgInterpreter]: Reachable states at location L-1 satisfy 23#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= 0 (select |#valid| 0)) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:35,307 INFO L193 IcfgInterpreter]: Reachable states at location mainENTRY satisfy 33#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (= |#valid| |old(#valid)|) (<= 0 |#NULL.base|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:35,308 INFO L193 IcfgInterpreter]: Reachable states at location L589-2 satisfy 1400#(and (or (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= 1 |sll_get_data_at_#in~index|) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~head.offset| 0) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (< 0 (+ sll_get_data_at_~index 1)) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |sll_get_data_at_#in~index|) (= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|) (<= |sll_get_data_at_#in~head.offset| 0) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) (+ |sll_get_data_at_#in~head.offset| 4))) (<= sll_get_data_at_~index 0) (= |#NULL.offset| 0))) (<= sll_get_data_at_~index 1) (<= 0 |#NULL.base|) (<= 0 sll_get_data_at_~index) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:35,308 INFO L193 IcfgInterpreter]: Reachable states at location L613 satisfy 1347#(and (<= main_~expected~0 3) (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 3 main_~expected~0) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-13 22:57:35,308 INFO L193 IcfgInterpreter]: Reachable states at location L565-1 satisfy 1511#(and (or (and (= |#NULL.base| 0) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (not (= 0 node_create_~temp~0.base)) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= |#NULL.base| 0) (not (= node_create_~temp~0.offset 0)) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (= |node_create_#t~malloc2.offset| 0) (not (= |node_create_#t~malloc2.base| 0)) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (<= node_create_~data 1) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|)) [2019-10-13 22:57:35,308 INFO L193 IcfgInterpreter]: Reachable states at location L613-1 satisfy 1124#true [2019-10-13 22:57:35,308 INFO L193 IcfgInterpreter]: Reachable states at location L596-2 satisfy 1554#(and (= |#NULL.base| 0) (<= sll_update_at_~data 3) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= sll_update_at_~index 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~index|) (<= |sll_update_at_#in~head.offset| 0) (<= 2 sll_update_at_~data) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~index| 1) (<= |sll_update_at_#in~data| 3) (<= 2 |sll_update_at_#in~data|)) [2019-10-13 22:57:35,309 INFO L193 IcfgInterpreter]: Reachable states at location L565 satisfy 1506#(and (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |node_create_#t~malloc2.offset| 0) (<= node_create_~data 1) (not (= |node_create_#t~malloc2.base| 0)) (<= 1 node_create_~data) (<= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#NULL.base| 0) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (<= 0 node_create_~temp~0.offset) (<= |node_create_#t~malloc2.offset| 0) (<= |#NULL.offset| 0) (<= node_create_~temp~0.offset 0) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) [2019-10-13 22:57:35,309 INFO L193 IcfgInterpreter]: Reachable states at location L613-2 satisfy 1094#(and (<= 0 (+ |main_#t~ret14| 2147483648)) (<= |main_#t~ret14| 2147483647)) [2019-10-13 22:57:35,309 INFO L193 IcfgInterpreter]: Reachable states at location sll_createEXIT satisfy 1479#(and (= |#NULL.base| 0) (<= sll_create_~len 0) (= |sll_create_#res.offset| sll_create_~head~0.offset) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (not (< 0 sll_create_~len)) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |sll_create_#res.offset|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= |sll_create_#res.offset| 0) (= sll_create_~head~0.base |sll_create_#res.base|) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:35,309 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 764#(exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_10 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_10 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_9 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_9 Int)) (or (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483648)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483647) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9))) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~new_data~0 2) (* 2 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) main_~expected~0)) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483648)) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483647) (<= main_~new_data~0 2) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~new_data~0 2) (* 2 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_22) v_prenex_23))) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 0 (+ (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483648)) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= main_~new_data~0 2) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483647) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location node_createENTRY satisfy 1501#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= |node_create_#in~data| 1) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= |#valid| |old(#valid)|) (<= 1 |node_create_#in~data|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location L609 satisfy 1325#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location L609-1 satisfy 1273#(and (= |#NULL.base| 0) (<= 0 main_~i~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= 2 main_~new_data~0) (<= main_~data~0 1) (<= main_~i~0 1) (= |#NULL.offset| 0) (= main_~len~0 2) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 3)) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location L611-3 satisfy 1367#(and (and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= |#NULL.offset| 0) (= main_~len~0 2)) (<= 1 main_~i~0) (<= main_~data~0 1) (<= main_~i~0 1) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location sll_createENTRY satisfy 1409#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= |#valid| |old(#valid)|) (= |sll_create_#in~len| 2) (<= |sll_create_#in~len| 2) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= |sll_create_#in~data| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:35,310 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initENTRY satisfy 1563#(and (= |old(#NULL.base)| |#NULL.base|) (= |#valid| |old(#valid)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2019-10-13 22:57:35,311 INFO L193 IcfgInterpreter]: Reachable states at location L575-1 satisfy 1497#(and (<= 0 sll_create_~len) (or (and (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (<= 0 |sll_create_#t~ret4.offset|) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (= 0 (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) (+ |sll_create_#t~ret4.offset| 4))) (= |#NULL.offset| 0) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) |sll_create_#t~ret4.offset|) sll_create_~data)) (and (= (select (select |#memory_$Pointer$.base| |sll_create_#t~ret4.base|) 4) 0) (= (select |#length| |sll_create_#t~ret4.base|) 8) (<= 1 sll_create_~data) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (not (= 0 |sll_create_#t~ret4.base|)) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= sll_create_~data 1) (= 0 (select (select |#memory_$Pointer$.offset| |sll_create_#t~ret4.base|) 4)) (= (select (select |#memory_int| |sll_create_#t~ret4.base|) 0) sll_create_~data) (= |sll_create_#in~data| 1) (= |#NULL.base| 0) (= 1 (select |#valid| |sll_create_#t~ret4.base|)) (<= |#NULL.base| 0) (= 0 |sll_create_#t~ret4.offset|) (<= 0 |sll_create_#t~ret4.offset|) (<= |sll_create_#t~ret4.offset| 0) (< |#StackHeapBarrier| |sll_create_#t~ret4.base|) (<= |#NULL.offset| 0) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (= |#NULL.offset| 0))) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (<= sll_create_~head~0.offset 0)) [2019-10-13 22:57:35,311 INFO L193 IcfgInterpreter]: Reachable states at location L605 satisfy 38#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (= |#valid| |old(#valid)|) (<= main_~data~0 1) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (= |old(#length)| |#length|) (= main_~len~0 2) (<= 2 main_~len~0) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2019-10-13 22:57:35,311 INFO L193 IcfgInterpreter]: Reachable states at location L607-2 satisfy 1372#(and (or (and (= 0 |#NULL.base|) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (= main_~i~0 (+ main_~len~0 (- 1))) (= |#NULL.offset| 0) (= main_~len~0 2)) (and (= |#NULL.base| 0) (<= 0 (+ main_~i~0 1)) (= main_~data~0 1) (= |#NULL.offset| 0) (= main_~len~0 2))) (or (and (<= 0 (+ main_~i~0 1)) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)) (and (<= 1 main_~i~0) (<= |#NULL.base| 0) (<= main_~data~0 1) (<= main_~i~0 1) (<= 0 main_~s~0.offset) (<= 0 |#NULL.base|) (<= main_~len~0 2) (<= main_~s~0.offset 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 2 main_~len~0) (<= 1 main_~data~0)))) [2019-10-13 22:57:35,311 INFO L193 IcfgInterpreter]: Reachable states at location sll_get_data_atENTRY satisfy 1377#(and (= |#NULL.base| 0) (<= |sll_get_data_at_#in~index| 1) (= 1 |sll_get_data_at_#in~index|) (<= |sll_get_data_at_#in~head.offset| 0) (<= 0 |sll_get_data_at_#in~head.offset|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= 0 |sll_get_data_at_#in~index|) (= |#NULL.offset| 0) (<= 1 |sll_get_data_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:35,311 INFO L193 IcfgInterpreter]: Reachable states at location L605-1 satisfy 117#(and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= |main_#t~ret11.offset| 0) (<= 0 |#NULL.base|) (= main_~data~0 1) (<= main_~len~0 2) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (<= 1 main_~data~0) (<= main_~data~0 1) (<= 0 |main_#t~ret11.offset|) (= |#NULL.offset| 0) (= main_~len~0 2) (<= 2 main_~len~0)) [2019-10-13 22:57:35,312 INFO L193 IcfgInterpreter]: Reachable states at location L614 satisfy 894#(or (exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_10 Int) (v_prenex_23 Int) (v_prenex_22 Int) (v_prenex_25 Int) (v_prenex_24 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_10 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_9 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_9 Int)) (or (and (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483648)) (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9) 2147483647) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (not (= main_~expected~0 (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_9) v_sll_get_data_at_~head.offset_BEFORE_RETURN_9))) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~new_data~0 2) (* 2 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) main_~expected~0)) (<= main_~new_data~0 3) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483648)) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_10) v_sll_get_data_at_~head.offset_BEFORE_RETURN_10) 2147483647) (<= main_~new_data~0 2) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~new_data~0 2) (* 2 main_~len~0)) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_22) v_prenex_23))) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (<= main_~len~0 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 0 (+ (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483648)) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 (+ main_~new_data~0 1)) (= main_~data~0 1) (<= main_~len~0 2) (<= main_~new_data~0 (+ main_~len~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (< main_~new_data~0 (+ main_~len~0 1)) (<= main_~new_data~0 2) (<= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_22) v_prenex_23) 2147483647) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0) (<= main_~new_data~0 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_25) v_prenex_24))) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483648)) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (<= (select (select |#memory_int| v_prenex_25) v_prenex_24) 2147483647) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)))) (exists ((v_sll_get_data_at_~head.offset_BEFORE_RETURN_11 Int) (v_prenex_27 Int) (v_sll_get_data_at_~head.offset_BEFORE_RETURN_12 Int) (v_prenex_26 Int) (v_prenex_29 Int) (v_prenex_28 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_12 Int) (v_sll_get_data_at_~head.base_BEFORE_RETURN_11 Int)) (or (and (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) 2147483648)) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) main_~expected~0)) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_11) v_sll_get_data_at_~head.offset_BEFORE_RETURN_11) 2147483647) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 3) (<= 0 |#NULL.base|) (<= 0 (+ (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) 2147483648)) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) 2147483647) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (< main_~len~0 3) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (not (= (select (select |#memory_int| v_sll_get_data_at_~head.base_BEFORE_RETURN_12) v_sll_get_data_at_~head.offset_BEFORE_RETURN_12) main_~expected~0)) (<= (* 2 main_~len~0) 4) (<= main_~data~0 1) (<= main_~new_data~0 2) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 4 (* 2 main_~len~0)) (= |#NULL.offset| 0) (<= 2 main_~len~0) (<= main_~s~0.offset 0)) (and (<= 0 main_~i~0) (= 0 |#NULL.base|) (= (+ main_~i~0 main_~len~0) main_~expected~0) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (not (= main_~expected~0 (select (select |#memory_int| v_prenex_27) v_prenex_26))) (< main_~len~0 2) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (<= |#NULL.base| 0) (<= 0 (+ (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483648)) (<= 0 main_~s~0.offset) (= main_~data~0 1) (<= main_~len~0 2) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (= (* 2 main_~len~0) (+ main_~new_data~0 1)) (<= (select (select |#memory_int| v_prenex_27) v_prenex_26) 2147483647) (<= main_~data~0 1) (= |#NULL.offset| 0) (<= main_~s~0.offset 0) (<= 2 main_~len~0)) (and (<= 0 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~expected~0) (= 0 |#NULL.base|) (<= main_~len~0 3) (<= 0 |#NULL.base|) (<= 0 |#NULL.offset|) (<= 2 main_~new_data~0) (= main_~i~0 (+ main_~len~0 (- 1))) (<= 0 (+ (select (select |#memory_int| v_prenex_29) v_prenex_28) 2147483648)) (= main_~len~0 2) (<= main_~new_data~0 3) (<= 1 main_~len~0) (< main_~len~0 3) (<= |#NULL.base| 0) (<= 0 main_~s~0.offset) (<= main_~len~0 2) (= main_~data~0 1) (= 0 (select |old(#valid)| 0)) (<= |#NULL.offset| 0) (<= 1 main_~data~0) (<= (* 2 main_~len~0) 4) (<= main_~data~0 1) (<= main_~new_data~0 2) (= (* 2 main_~len~0) (+ main_~new_data~0 2)) (<= 4 (* 2 main_~len~0)) (<= (select (select |#memory_int| v_prenex_29) v_prenex_28) 2147483647) (= |#NULL.offset| 0) (not (= (select (select |#memory_int| v_prenex_29) v_prenex_28) main_~expected~0)) (<= 2 main_~len~0) (<= main_~s~0.offset 0))))) [2019-10-13 22:57:35,315 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.initEXIT satisfy 1568#(and (= |#valid| (store |old(#valid)| 0 0)) (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= |#NULL.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-10-13 22:57:35,332 INFO L193 IcfgInterpreter]: Reachable states at location node_createEXIT satisfy 1516#(exists ((v_DerPreprocessor_6 Int) (v_DerPreprocessor_5 Int)) (or (and (not (= node_create_~temp~0.offset 0)) (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (<= |#NULL.offset| 0) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_5) node_create_~temp~0.offset node_create_~data))) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#NULL.offset| 0)) (and (= |#NULL.base| 0) (<= |node_create_#in~data| 1) (= (store |old(#valid)| |node_create_#t~malloc2.base| 1) |#valid|) (= (store |old(#length)| |node_create_#t~malloc2.base| 8) |#length|) (<= |#NULL.base| 0) (= node_create_~data |node_create_#in~data|) (= |node_create_#t~malloc2.base| node_create_~temp~0.base) (<= 0 |#NULL.base|) (= (select |old(#valid)| |node_create_#t~malloc2.base|) 0) (= node_create_~temp~0.offset |node_create_#t~malloc2.offset|) (<= 0 |#NULL.offset|) (= |#memory_$Pointer$.base| (store |old(#memory_$Pointer$.base)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.base)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.base| node_create_~temp~0.base) node_create_~temp~0.offset)))) (not (= 0 node_create_~temp~0.base)) (<= |#NULL.offset| 0) (= |node_create_#t~malloc2.offset| 0) (<= 1 |node_create_#in~data|) (= node_create_~temp~0.offset |node_create_#res.offset|) (= node_create_~temp~0.base |node_create_#res.base|) (not (= |node_create_#t~malloc2.base| 0)) (= (store |old(#memory_$Pointer$.offset)| node_create_~temp~0.base (store (store (select |old(#memory_$Pointer$.offset)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) 0) node_create_~temp~0.offset (select (select |#memory_$Pointer$.offset| node_create_~temp~0.base) node_create_~temp~0.offset))) |#memory_$Pointer$.offset|) (< |#StackHeapBarrier| |node_create_#t~malloc2.base|) (= |#memory_int| (store |old(#memory_int)| node_create_~temp~0.base (store (store (select |old(#memory_int)| node_create_~temp~0.base) (+ node_create_~temp~0.offset 4) v_DerPreprocessor_6) node_create_~temp~0.offset node_create_~data))) (= |#NULL.offset| 0)))) [2019-10-13 22:57:35,332 INFO L193 IcfgInterpreter]: Reachable states at location ULTIMATE.startENTRY satisfy 6#true [2019-10-13 22:57:35,332 INFO L193 IcfgInterpreter]: Reachable states at location L575 satisfy 1484#(and (= |#NULL.base| 0) (<= |#NULL.base| 0) (<= 1 sll_create_~data) (<= 0 sll_create_~len) (<= 2 |sll_create_#in~len|) (<= 1 |sll_create_#in~data|) (< 0 sll_create_~len) (<= 0 |#NULL.base|) (<= |sll_create_#in~data| 1) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= sll_create_~data 1) (<= sll_create_~len 2) (= |sll_create_#in~len| 2) (<= 0 sll_create_~head~0.offset) (<= |sll_create_#in~len| 2) (= |#NULL.offset| 0) (<= sll_create_~head~0.offset 0) (= |sll_create_#in~data| 1)) [2019-10-13 22:57:35,333 INFO L193 IcfgInterpreter]: Reachable states at location sll_update_atENTRY satisfy 1520#(and (or (and (<= |sll_update_at_#in~index| 0) (<= |sll_update_at_#in~data| 2) (<= 2 |sll_update_at_#in~data|)) (and (<= 3 |sll_update_at_#in~data|) (<= 1 |sll_update_at_#in~index|))) (or (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (<= |sll_update_at_#in~index| 0) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_update_at_#in~head.offset| 0) (= |sll_update_at_#in~index| 0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~data| 2) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (<= 2 |sll_update_at_#in~data|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 |#NULL.base|) (<= |#NULL.base| 0) (<= 0 |#NULL.base|) (= (+ |sll_update_at_#in~index| 2) |sll_update_at_#in~data|) (<= 0 |sll_update_at_#in~index|) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= |sll_update_at_#in~head.offset| 0) (= 1 |sll_update_at_#in~index|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#NULL.offset| 0) (<= 0 |sll_update_at_#in~head.offset|) (<= |sll_update_at_#in~data| 3) (<= |sll_update_at_#in~index| 1) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)))) [2019-10-13 22:57:36,266 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 51 [2019-10-13 22:57:36,834 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 38 [2019-10-13 22:57:37,400 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2019-10-13 22:57:37,630 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2019-10-13 22:57:37,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 27] total 34 [2019-10-13 22:57:37,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620172243] [2019-10-13 22:57:37,631 INFO L442 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-10-13 22:57:37,632 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 22:57:37,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-10-13 22:57:37,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1014, Unknown=0, NotChecked=0, Total=1122 [2019-10-13 22:57:37,633 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 34 states. [2019-10-13 22:57:38,505 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-10-13 22:57:38,817 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 51 [2019-10-13 22:57:39,413 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 51 [2019-10-13 22:57:39,592 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 52 [2019-10-13 22:57:40,343 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2019-10-13 22:57:40,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 22:57:40,918 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2019-10-13 22:57:40,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-13 22:57:40,918 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 40 [2019-10-13 22:57:40,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 22:57:40,919 INFO L225 Difference]: With dead ends: 82 [2019-10-13 22:57:40,920 INFO L226 Difference]: Without dead ends: 53 [2019-10-13 22:57:40,922 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 94 SyntacticMatches, 5 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=359, Invalid=3547, Unknown=0, NotChecked=0, Total=3906 [2019-10-13 22:57:40,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-13 22:57:40,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 47. [2019-10-13 22:57:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2019-10-13 22:57:40,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 54 transitions. [2019-10-13 22:57:40,931 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 54 transitions. Word has length 40 [2019-10-13 22:57:40,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 22:57:40,931 INFO L462 AbstractCegarLoop]: Abstraction has 47 states and 54 transitions. [2019-10-13 22:57:40,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-10-13 22:57:40,932 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2019-10-13 22:57:40,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-13 22:57:40,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 22:57:40,933 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-13 22:57:41,136 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:41,137 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 22:57:41,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 22:57:41,138 INFO L82 PathProgramCache]: Analyzing trace with hash -234886012, now seen corresponding path program 2 times [2019-10-13 22:57:41,138 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 22:57:41,138 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986726667] [2019-10-13 22:57:41,138 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:41,139 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 22:57:41,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 22:57:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 22:57:42,345 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 22:57:42,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986726667] [2019-10-13 22:57:42,345 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508005189] [2019-10-13 22:57:42,346 INFO L92 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 22:57:42,683 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2019-10-13 22:57:42,683 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-10-13 22:57:42,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 128 conjunts are in the unsatisfiable core [2019-10-13 22:57:42,691 INFO L279 TraceCheckSpWp]: Computing forward predicates...