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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:03:51,962 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:03:51,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:03:51,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:03:51,976 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:03:51,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:03:51,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:03:51,980 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:03:51,982 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:03:51,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:03:51,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:03:51,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:03:51,985 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:03:51,986 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:03:51,987 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:03:51,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:03:51,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:03:51,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:03:51,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:03:51,994 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:03:51,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:03:51,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:03:51,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:03:51,998 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:03:52,000 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:03:52,000 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:03:52,001 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:03:52,002 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:03:52,002 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:03:52,003 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:03:52,003 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:03:52,004 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:03:52,005 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:03:52,006 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:03:52,007 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:03:52,007 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:03:52,007 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:03:52,008 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:03:52,008 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:03:52,009 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:03:52,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:03:52,012 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 [2019-10-15 01:03:52,036 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:03:52,036 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:03:52,038 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:03:52,039 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:03:52,039 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:03:52,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:03:52,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:03:52,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:03:52,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:03:52,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:03:52,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:03:52,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:03:52,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:03:52,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:03:52,042 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:03:52,042 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:03:52,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:03:52,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:03:52,043 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:03:52,043 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:03:52,043 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:03:52,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:03:52,044 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:03:52,044 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:03:52,044 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:03:52,044 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:03:52,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:03:52,045 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:03:52,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:03:52,317 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:03:52,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:03:52,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:03:52,339 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:03:52,340 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:03:52,340 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-10-15 01:03:52,422 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438909f56/e42c0cb3fb0c410ab03327eec9193446/FLAG54789e403 [2019-10-15 01:03:53,010 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:03:53,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2c_remove_all_reverse.i [2019-10-15 01:03:53,028 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438909f56/e42c0cb3fb0c410ab03327eec9193446/FLAG54789e403 [2019-10-15 01:03:53,262 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/438909f56/e42c0cb3fb0c410ab03327eec9193446 [2019-10-15 01:03:53,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:03:53,272 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:03:53,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:53,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:03:53,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:03:53,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,280 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@958021d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53, skipping insertion in model container [2019-10-15 01:03:53,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,288 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:03:53,330 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:03:53,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:53,779 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:03:53,838 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:03:53,905 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:03:53,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53 WrapperNode [2019-10-15 01:03:53,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:03:53,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:03:53,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:03:53,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:03:53,919 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,919 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (1/1) ... [2019-10-15 01:03:53,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:03:53,973 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:03:53,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:03:53,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:03:53,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (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 [2019-10-15 01:03:54,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_create [2019-10-15 01:03:54,040 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_circular_remove_last [2019-10-15 01:03:54,041 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:03:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:03:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-15 01:03:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-15 01:03:54,041 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-15 01:03:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-15 01:03:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-15 01:03:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-15 01:03:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-15 01:03:54,042 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-15 01:03:54,043 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-15 01:03:54,044 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-15 01:03:54,045 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-15 01:03:54,046 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-15 01:03:54,047 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-15 01:03:54,048 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-15 01:03:54,049 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-15 01:03:54,050 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-15 01:03:54,051 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-15 01:03:54,052 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-15 01:03:54,053 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-15 01:03:54,054 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-15 01:03:54,055 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-15 01:03:54,056 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-15 01:03:54,057 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:03:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_create [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure sll_circular_remove_last [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-15 01:03:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:03:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:03:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:03:54,482 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-15 01:03:54,665 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:03:54,666 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:03:54,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:54 BoogieIcfgContainer [2019-10-15 01:03:54,667 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:03:54,668 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:03:54,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:03:54,672 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:03:54,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:03:53" (1/3) ... [2019-10-15 01:03:54,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bda8878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:54, skipping insertion in model container [2019-10-15 01:03:54,673 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:03:53" (2/3) ... [2019-10-15 01:03:54,673 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5bda8878 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:03:54, skipping insertion in model container [2019-10-15 01:03:54,674 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:03:54" (3/3) ... [2019-10-15 01:03:54,675 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2c_remove_all_reverse.i [2019-10-15 01:03:54,685 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:03:54,694 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:03:54,706 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:03:54,732 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:03:54,732 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:03:54,732 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:03:54,733 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:03:54,733 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:03:54,733 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:03:54,733 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:03:54,733 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:03:54,754 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2019-10-15 01:03:54,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 01:03:54,760 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:54,761 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] [2019-10-15 01:03:54,763 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:54,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:54,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1597421219, now seen corresponding path program 1 times [2019-10-15 01:03:54,778 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:54,778 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393891142] [2019-10-15 01:03:54,778 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:54,778 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:54,779 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:54,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:54,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:54,952 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393891142] [2019-10-15 01:03:54,953 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:54,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:03:54,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458333302] [2019-10-15 01:03:54,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:54,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:54,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:54,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:54,980 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2019-10-15 01:03:55,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:55,010 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2019-10-15 01:03:55,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:55,012 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2019-10-15 01:03:55,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:55,022 INFO L225 Difference]: With dead ends: 71 [2019-10-15 01:03:55,023 INFO L226 Difference]: Without dead ends: 39 [2019-10-15 01:03:55,026 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:55,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2019-10-15 01:03:55,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2019-10-15 01:03:55,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2019-10-15 01:03:55,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2019-10-15 01:03:55,073 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 24 [2019-10-15 01:03:55,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:55,075 INFO L462 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2019-10-15 01:03:55,075 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:55,075 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2019-10-15 01:03:55,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-15 01:03:55,077 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:55,078 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] [2019-10-15 01:03:55,078 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:55,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:55,079 INFO L82 PathProgramCache]: Analyzing trace with hash 657162430, now seen corresponding path program 1 times [2019-10-15 01:03:55,079 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:55,079 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365941395] [2019-10-15 01:03:55,079 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,080 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:55,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-15 01:03:55,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365941395] [2019-10-15 01:03:55,221 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:55,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:03:55,223 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087154990] [2019-10-15 01:03:55,225 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:03:55,226 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:55,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:03:55,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:03:55,226 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 5 states. [2019-10-15 01:03:55,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:55,324 INFO L93 Difference]: Finished difference Result 63 states and 73 transitions. [2019-10-15 01:03:55,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-15 01:03:55,324 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2019-10-15 01:03:55,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:55,326 INFO L225 Difference]: With dead ends: 63 [2019-10-15 01:03:55,326 INFO L226 Difference]: Without dead ends: 42 [2019-10-15 01:03:55,328 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:03:55,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2019-10-15 01:03:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2019-10-15 01:03:55,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2019-10-15 01:03:55,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2019-10-15 01:03:55,337 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 45 transitions. Word has length 24 [2019-10-15 01:03:55,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:55,338 INFO L462 AbstractCegarLoop]: Abstraction has 40 states and 45 transitions. [2019-10-15 01:03:55,338 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-15 01:03:55,338 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 45 transitions. [2019-10-15 01:03:55,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-15 01:03:55,339 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:55,339 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:55,340 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:55,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:55,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1280322166, now seen corresponding path program 1 times [2019-10-15 01:03:55,340 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:55,341 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169551674] [2019-10-15 01:03:55,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,341 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,341 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:03:55,485 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169551674] [2019-10-15 01:03:55,485 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:55,486 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:03:55,486 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499933545] [2019-10-15 01:03:55,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:03:55,487 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:55,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:03:55,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:03:55,487 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. Second operand 4 states. [2019-10-15 01:03:55,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:55,516 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2019-10-15 01:03:55,516 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:03:55,517 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2019-10-15 01:03:55,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:55,518 INFO L225 Difference]: With dead ends: 47 [2019-10-15 01:03:55,518 INFO L226 Difference]: Without dead ends: 43 [2019-10-15 01:03:55,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:03:55,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-15 01:03:55,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2019-10-15 01:03:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-15 01:03:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2019-10-15 01:03:55,527 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 32 [2019-10-15 01:03:55,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:55,528 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2019-10-15 01:03:55,528 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:03:55,528 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2019-10-15 01:03:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-10-15 01:03:55,530 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:55,530 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:55,530 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:55,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:55,531 INFO L82 PathProgramCache]: Analyzing trace with hash 410004661, now seen corresponding path program 1 times [2019-10-15 01:03:55,531 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:55,531 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747405075] [2019-10-15 01:03:55,531 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,532 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,532 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:03:55,718 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747405075] [2019-10-15 01:03:55,718 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:55,719 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:03:55,719 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303016242] [2019-10-15 01:03:55,720 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:03:55,720 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:55,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:03:55,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:03:55,721 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 6 states. [2019-10-15 01:03:55,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:55,891 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2019-10-15 01:03:55,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:03:55,891 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2019-10-15 01:03:55,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:55,892 INFO L225 Difference]: With dead ends: 58 [2019-10-15 01:03:55,893 INFO L226 Difference]: Without dead ends: 41 [2019-10-15 01:03:55,893 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:03:55,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2019-10-15 01:03:55,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2019-10-15 01:03:55,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2019-10-15 01:03:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2019-10-15 01:03:55,900 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 45 transitions. Word has length 42 [2019-10-15 01:03:55,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:55,901 INFO L462 AbstractCegarLoop]: Abstraction has 41 states and 45 transitions. [2019-10-15 01:03:55,901 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:03:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 45 transitions. [2019-10-15 01:03:55,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2019-10-15 01:03:55,902 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:55,902 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:55,903 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:55,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1436962146, now seen corresponding path program 1 times [2019-10-15 01:03:55,903 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:55,904 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362914845] [2019-10-15 01:03:55,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,904 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:55,904 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:55,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:55,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-15 01:03:55,977 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362914845] [2019-10-15 01:03:55,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:03:55,978 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:03:55,978 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80245051] [2019-10-15 01:03:55,979 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:03:55,979 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:55,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:03:55,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:03:55,980 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. Second operand 4 states. [2019-10-15 01:03:56,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:56,041 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2019-10-15 01:03:56,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:03:56,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2019-10-15 01:03:56,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:56,042 INFO L225 Difference]: With dead ends: 62 [2019-10-15 01:03:56,042 INFO L226 Difference]: Without dead ends: 43 [2019-10-15 01:03:56,043 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 [2019-10-15 01:03:56,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-10-15 01:03:56,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-10-15 01:03:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-10-15 01:03:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2019-10-15 01:03:56,051 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 45 [2019-10-15 01:03:56,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:56,051 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2019-10-15 01:03:56,051 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:03:56,051 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2019-10-15 01:03:56,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-10-15 01:03:56,053 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:03:56,053 INFO L380 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:03:56,054 INFO L410 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:03:56,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:56,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1302090595, now seen corresponding path program 1 times [2019-10-15 01:03:56,054 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:03:56,055 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388783606] [2019-10-15 01:03:56,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:56,055 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:03:56,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:03:56,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:56,188 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 01:03:56,188 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388783606] [2019-10-15 01:03:56,189 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749617697] [2019-10-15 01:03:56,189 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 [2019-10-15 01:03:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:03:56,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-15 01:03:56,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 01:03:56,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 01:03:56,481 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 01:03:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-10-15 01:03:56,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [266682377] [2019-10-15 01:03:56,551 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 48 [2019-10-15 01:03:56,594 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-15 01:03:56,594 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 01:03:56,667 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-15 01:03:56,669 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables. [2019-10-15 01:03:56,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:03:56,673 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-15 01:03:56,713 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-15 01:03:56,713 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-15 01:03:56,715 INFO L553 sIntCurrentIteration]: We unified 46 AI predicates to 46 [2019-10-15 01:03:56,715 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-15 01:03:56,716 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-15 01:03:56,716 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5, 5, 5] total 8 [2019-10-15 01:03:56,717 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684764033] [2019-10-15 01:03:56,717 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:03:56,718 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-15 01:03:56,718 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-15 01:03:56,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:03:56,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:56,719 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 2 states. [2019-10-15 01:03:56,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:03:56,721 INFO L93 Difference]: Finished difference Result 43 states and 47 transitions. [2019-10-15 01:03:56,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:03:56,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 47 [2019-10-15 01:03:56,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:03:56,722 INFO L225 Difference]: With dead ends: 43 [2019-10-15 01:03:56,722 INFO L226 Difference]: Without dead ends: 0 [2019-10-15 01:03:56,723 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:03:56,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-15 01:03:56,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-15 01:03:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-15 01:03:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-15 01:03:56,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 47 [2019-10-15 01:03:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:03:56,724 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-15 01:03:56,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:03:56,724 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-15 01:03:56,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-15 01:03:56,930 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 01:03:56,934 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-15 01:03:57,053 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:57,054 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:57,054 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:57,054 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-15 01:03:57,054 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2019-10-15 01:03:57,054 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L443 ceAbstractionStarter]: For program point sll_circular_remove_lastEXIT(lines 584 600) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L443 ceAbstractionStarter]: For program point L589(lines 589 599) no Hoare annotation was computed. [2019-10-15 01:03:57,055 INFO L439 ceAbstractionStarter]: At program point sll_circular_remove_lastENTRY(lines 584 600) the Hoare annotation is: (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|))) (and (= (select (select |#memory_$Pointer$.base| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0))) [2019-10-15 01:03:57,056 INFO L443 ceAbstractionStarter]: For program point L589-2(lines 584 600) no Hoare annotation was computed. [2019-10-15 01:03:57,056 INFO L443 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-10-15 01:03:57,056 INFO L439 ceAbstractionStarter]: At program point L594-3(lines 594 596) the Hoare annotation is: (or (and (= (select (select |#memory_$Pointer$.base| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0) (= sll_circular_remove_last_~head.base |sll_circular_remove_last_#in~head.base|) (= sll_circular_remove_last_~head.offset |sll_circular_remove_last_#in~head.offset|) (= (select (select |#memory_$Pointer$.offset| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|)))) [2019-10-15 01:03:57,057 INFO L443 ceAbstractionStarter]: For program point L594-4(lines 594 596) no Hoare annotation was computed. [2019-10-15 01:03:57,058 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 588) no Hoare annotation was computed. [2019-10-15 01:03:57,058 INFO L439 ceAbstractionStarter]: At program point L586-3(lines 586 588) the Hoare annotation is: (or (and (= (select (select |#memory_$Pointer$.base| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0) (= sll_circular_remove_last_~head.base |sll_circular_remove_last_#in~head.base|) (= sll_circular_remove_last_~head.offset |sll_circular_remove_last_#in~head.offset|) (= (select (select |#memory_$Pointer$.offset| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|) 0)) (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|))) (not (= 0 (select (select |old(#memory_$Pointer$.base)| |sll_circular_remove_last_#in~head.base|) |sll_circular_remove_last_#in~head.offset|)))) [2019-10-15 01:03:57,058 INFO L443 ceAbstractionStarter]: For program point L586-4(lines 586 588) no Hoare annotation was computed. [2019-10-15 01:03:57,058 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:57,058 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:57,058 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-15 01:03:57,059 INFO L446 ceAbstractionStarter]: At program point L576(line 576) the Hoare annotation is: true [2019-10-15 01:03:57,059 INFO L443 ceAbstractionStarter]: For program point L576-1(line 576) no Hoare annotation was computed. [2019-10-15 01:03:57,059 INFO L446 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: true [2019-10-15 01:03:57,059 INFO L446 ceAbstractionStarter]: At program point L575-2(lines 575 580) the Hoare annotation is: true [2019-10-15 01:03:57,060 INFO L443 ceAbstractionStarter]: For program point L573-1(line 573) no Hoare annotation was computed. [2019-10-15 01:03:57,060 INFO L443 ceAbstractionStarter]: For program point L575-3(lines 575 580) no Hoare annotation was computed. [2019-10-15 01:03:57,060 INFO L446 ceAbstractionStarter]: At program point sll_circular_createENTRY(lines 572 583) the Hoare annotation is: true [2019-10-15 01:03:57,061 INFO L443 ceAbstractionStarter]: For program point sll_circular_createFINAL(lines 572 583) no Hoare annotation was computed. [2019-10-15 01:03:57,061 INFO L443 ceAbstractionStarter]: For program point sll_circular_createEXIT(lines 572 583) no Hoare annotation was computed. [2019-10-15 01:03:57,061 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-15 01:03:57,061 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-15 01:03:57,061 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-15 01:03:57,061 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-15 01:03:57,061 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 611) no Hoare annotation was computed. [2019-10-15 01:03:57,062 INFO L439 ceAbstractionStarter]: At program point L607(line 607) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-10-15 01:03:57,062 INFO L443 ceAbstractionStarter]: For program point L607-1(lines 606 608) no Hoare annotation was computed. [2019-10-15 01:03:57,062 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 601 615) the Hoare annotation is: true [2019-10-15 01:03:57,062 INFO L439 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: false [2019-10-15 01:03:57,062 INFO L439 ceAbstractionStarter]: At program point L606-2(lines 606 608) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-10-15 01:03:57,062 INFO L443 ceAbstractionStarter]: For program point L604-1(line 604) no Hoare annotation was computed. [2019-10-15 01:03:57,062 INFO L443 ceAbstractionStarter]: For program point L606-3(lines 606 608) no Hoare annotation was computed. [2019-10-15 01:03:57,063 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 601 615) no Hoare annotation was computed. [2019-10-15 01:03:57,063 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 613) no Hoare annotation was computed. [2019-10-15 01:03:57,063 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 601 615) no Hoare annotation was computed. [2019-10-15 01:03:57,063 INFO L439 ceAbstractionStarter]: At program point L610(lines 601 615) the Hoare annotation is: false [2019-10-15 01:03:57,064 INFO L446 ceAbstractionStarter]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: true [2019-10-15 01:03:57,064 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2019-10-15 01:03:57,064 INFO L446 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: true [2019-10-15 01:03:57,064 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2019-10-15 01:03:57,064 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 567) no Hoare annotation was computed. [2019-10-15 01:03:57,064 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2019-10-15 01:03:57,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,081 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,085 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,086 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,088 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,089 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,090 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 01:03:57 BoogieIcfgContainer [2019-10-15 01:03:57,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-15 01:03:57,098 INFO L168 Benchmark]: Toolchain (without parser) took 3825.65 ms. Allocated memory was 146.8 MB in the beginning and 246.4 MB in the end (delta: 99.6 MB). Free memory was 103.2 MB in the beginning and 154.2 MB in the end (delta: -51.0 MB). Peak memory consumption was 48.6 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,099 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 634.50 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 170.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,101 INFO L168 Benchmark]: Boogie Preprocessor took 64.77 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,102 INFO L168 Benchmark]: RCFGBuilder took 694.82 ms. Allocated memory is still 204.5 MB. Free memory was 166.5 MB in the beginning and 119.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,103 INFO L168 Benchmark]: TraceAbstraction took 2427.47 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 119.1 MB in the beginning and 154.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. [2019-10-15 01:03:57,109 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 634.50 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 170.0 MB in the end (delta: -67.2 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.77 ms. Allocated memory is still 204.5 MB. Free memory was 170.0 MB in the beginning and 166.5 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 694.82 ms. Allocated memory is still 204.5 MB. Free memory was 166.5 MB in the beginning and 119.1 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2427.47 ms. Allocated memory was 204.5 MB in the beginning and 246.4 MB in the end (delta: 41.9 MB). Free memory was 119.1 MB in the beginning and 154.2 MB in the end (delta: -35.2 MB). Peak memory consumption was 6.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 613]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 594]: Loop Invariant [2019-10-15 01:03:57,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,136 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,138 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,139 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((#memory_$Pointer$[head][head] == 0 && head == head) && head == head) && #memory_$Pointer$[head][head] == 0) || !(0 == \old(#memory_$Pointer$)[head][head])) || !(0 == \old(#memory_$Pointer$)[head][head]) - InvariantResult [Line: 601]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 586]: Loop Invariant [2019-10-15 01:03:57,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,140 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,142 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((#memory_$Pointer$[head][head] == 0 && head == head) && head == head) && #memory_$Pointer$[head][head] == 0) || !(0 == \old(#memory_$Pointer$)[head][head])) || !(0 == \old(#memory_$Pointer$)[head][head]) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant [2019-10-15 01:03:57,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-15 01:03:57,145 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-15 01:03:57,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-15 01:03:57,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$[s][s] == 0 && #memory_$Pointer$[s][s] == 0) && 2 <= len - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 53 locations, 1 error locations. Result: SAFE, OverallTime: 2.3s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 220 SDtfs, 41 SDslu, 334 SDs, 0 SdLazy, 137 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 158 HoareAnnotationTreeSize, 33 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 261 NumberOfCodeBlocks, 261 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 22232 SizeOfPredicates, 2 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 44/47 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 122, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9782608695652174, AVG_VARS_REMOVED_DURING_WEAKENING: 1.5869565217391304, AVG_WEAKENED_CONJUNCTS: 0.13043478260869565, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...