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/sll2n_remove_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:05:05,486 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:05:05,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:05:05,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:05:05,508 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:05:05,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:05:05,512 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:05:05,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:05:05,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:05:05,528 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:05:05,529 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:05:05,531 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:05:05,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:05:05,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:05:05,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:05:05,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:05:05,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:05:05,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:05:05,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:05:05,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:05:05,550 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:05:05,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:05:05,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:05:05,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:05:05,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:05:05,558 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:05:05,558 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:05:05,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:05:05,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:05:05,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:05:05,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:05:05,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:05:05,564 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:05:05,565 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:05:05,566 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:05:05,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:05:05,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:05:05,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:05:05,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:05:05,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:05:05,570 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:05:05,570 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:05:05,602 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:05:05,602 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:05:05,603 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:05:05,604 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:05:05,604 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:05:05,604 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:05:05,604 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:05:05,604 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:05:05,605 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:05:05,605 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:05:05,605 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:05:05,605 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:05:05,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:05:05,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:05:05,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:05:05,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:05:05,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:05:05,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:05:05,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:05:05,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:05:05,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:05:05,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:05:05,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:05:05,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:05:05,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:05:05,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:05:05,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:05:05,611 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:05:05,611 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 [2019-10-13 21:05:05,890 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:05:05,903 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:05:05,907 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:05:05,909 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:05:05,910 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:05:05,910 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-10-13 21:05:05,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6026dc347/9ca8379db5464878b0220bba65461013/FLAG89caca4a5 [2019-10-13 21:05:06,491 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:05:06,491 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_remove_all_reverse.i [2019-10-13 21:05:06,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6026dc347/9ca8379db5464878b0220bba65461013/FLAG89caca4a5 [2019-10-13 21:05:06,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6026dc347/9ca8379db5464878b0220bba65461013 [2019-10-13 21:05:06,796 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:05:06,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:05:06,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:06,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:05:06,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:05:06,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:06" (1/1) ... [2019-10-13 21:05:06,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eba8fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:06, skipping insertion in model container [2019-10-13 21:05:06,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:05:06" (1/1) ... [2019-10-13 21:05:06,813 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:05:06,861 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:05:07,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:07,264 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:05:07,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:05:07,380 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:05:07,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07 WrapperNode [2019-10-13 21:05:07,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:05:07,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:05:07,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:05:07,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:05:07,395 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,395 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,427 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... [2019-10-13 21:05:07,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:05:07,449 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:05:07,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:05:07,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:05:07,451 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:05:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:05:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:05:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 21:05:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 21:05:07,502 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 21:05:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2019-10-13 21:05:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-13 21:05:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_remove_last [2019-10-13 21:05:07,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:05:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:05:07,503 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 21:05:07,504 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 21:05:07,505 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 21:05:07,506 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 21:05:07,507 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 21:05:07,508 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 21:05:07,509 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 21:05:07,510 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 21:05:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:05:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 21:05:07,513 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 21:05:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 21:05:07,514 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 21:05:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 21:05:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 21:05:07,516 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 21:05:07,517 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 21:05:07,518 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 21:05:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 21:05:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 21:05:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 21:05:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 21:05:07,519 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 21:05:07,520 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 21:05:07,521 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 21:05:07,522 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:05:07,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure sll_remove_last [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:05:07,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:05:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:05:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:05:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:05:07,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:05:07,904 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 21:05:08,075 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:05:08,076 INFO L284 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-13 21:05:08,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:08 BoogieIcfgContainer [2019-10-13 21:05:08,077 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:05:08,078 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:05:08,078 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:05:08,082 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:05:08,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:05:06" (1/3) ... [2019-10-13 21:05:08,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73342d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:08, skipping insertion in model container [2019-10-13 21:05:08,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:05:07" (2/3) ... [2019-10-13 21:05:08,083 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73342d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:05:08, skipping insertion in model container [2019-10-13 21:05:08,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:05:08" (3/3) ... [2019-10-13 21:05:08,085 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_remove_all_reverse.i [2019-10-13 21:05:08,094 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:05:08,102 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:05:08,113 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:05:08,135 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:05:08,135 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:05:08,135 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:05:08,135 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:05:08,136 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:05:08,136 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:05:08,136 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:05:08,136 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:05:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2019-10-13 21:05:08,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 21:05:08,160 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:08,161 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:08,163 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:08,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:08,168 INFO L82 PathProgramCache]: Analyzing trace with hash 852060024, now seen corresponding path program 1 times [2019-10-13 21:05:08,177 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:08,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100481596] [2019-10-13 21:05:08,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,178 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:08,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:08,322 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100481596] [2019-10-13 21:05:08,324 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:05:08,324 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:05:08,324 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797660482] [2019-10-13 21:05:08,329 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:05:08,330 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:08,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:05:08,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:05:08,349 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2019-10-13 21:05:08,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:08,378 INFO L93 Difference]: Finished difference Result 64 states and 78 transitions. [2019-10-13 21:05:08,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:05:08,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2019-10-13 21:05:08,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:08,391 INFO L225 Difference]: With dead ends: 64 [2019-10-13 21:05:08,391 INFO L226 Difference]: Without dead ends: 35 [2019-10-13 21:05:08,394 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 [2019-10-13 21:05:08,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2019-10-13 21:05:08,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2019-10-13 21:05:08,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2019-10-13 21:05:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2019-10-13 21:05:08,440 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 17 [2019-10-13 21:05:08,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:08,441 INFO L462 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2019-10-13 21:05:08,441 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:05:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2019-10-13 21:05:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-10-13 21:05:08,443 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:08,443 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:08,443 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:08,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:08,444 INFO L82 PathProgramCache]: Analyzing trace with hash -1868381993, now seen corresponding path program 1 times [2019-10-13 21:05:08,444 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:08,445 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483788992] [2019-10-13 21:05:08,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,445 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,445 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:08,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:08,548 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483788992] [2019-10-13 21:05:08,548 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:05:08,549 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:05:08,549 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166023339] [2019-10-13 21:05:08,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:05:08,552 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:08,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:05:08,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:05:08,553 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2019-10-13 21:05:08,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:08,636 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2019-10-13 21:05:08,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:05:08,637 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 17 [2019-10-13 21:05:08,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:08,640 INFO L225 Difference]: With dead ends: 42 [2019-10-13 21:05:08,640 INFO L226 Difference]: Without dead ends: 38 [2019-10-13 21:05:08,641 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-13 21:05:08,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2019-10-13 21:05:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2019-10-13 21:05:08,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-13 21:05:08,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2019-10-13 21:05:08,665 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 17 [2019-10-13 21:05:08,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:08,666 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2019-10-13 21:05:08,666 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:05:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2019-10-13 21:05:08,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-13 21:05:08,669 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:08,669 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] [2019-10-13 21:05:08,670 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:08,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:08,670 INFO L82 PathProgramCache]: Analyzing trace with hash 528543346, now seen corresponding path program 1 times [2019-10-13 21:05:08,670 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:08,671 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099087427] [2019-10-13 21:05:08,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,671 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:08,671 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:08,839 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099087427] [2019-10-13 21:05:08,839 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:05:08,839 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:05:08,839 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103197438] [2019-10-13 21:05:08,840 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:05:08,840 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:08,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:05:08,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:05:08,842 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand 6 states. [2019-10-13 21:05:08,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:08,990 INFO L93 Difference]: Finished difference Result 50 states and 56 transitions. [2019-10-13 21:05:08,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:05:08,991 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2019-10-13 21:05:08,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:08,992 INFO L225 Difference]: With dead ends: 50 [2019-10-13 21:05:08,992 INFO L226 Difference]: Without dead ends: 36 [2019-10-13 21:05:08,993 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 [2019-10-13 21:05:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2019-10-13 21:05:08,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2019-10-13 21:05:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2019-10-13 21:05:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 38 transitions. [2019-10-13 21:05:08,999 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 38 transitions. Word has length 24 [2019-10-13 21:05:09,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:09,000 INFO L462 AbstractCegarLoop]: Abstraction has 36 states and 38 transitions. [2019-10-13 21:05:09,000 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:05:09,000 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 38 transitions. [2019-10-13 21:05:09,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-13 21:05:09,001 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:09,001 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:09,002 INFO L410 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:09,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:09,002 INFO L82 PathProgramCache]: Analyzing trace with hash -233245789, now seen corresponding path program 1 times [2019-10-13 21:05:09,002 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:09,002 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505409274] [2019-10-13 21:05:09,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,003 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505409274] [2019-10-13 21:05:09,138 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [468622395] [2019-10-13 21:05:09,139 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-13 21:05:09,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:05:09,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:05:09,335 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:05:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:05:09,449 INFO L223 tionRefinementEngine]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-10-13 21:05:09,449 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [8] total 10 [2019-10-13 21:05:09,451 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697999370] [2019-10-13 21:05:09,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:05:09,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:09,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:05:09,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:05:09,454 INFO L87 Difference]: Start difference. First operand 36 states and 38 transitions. Second operand 7 states. [2019-10-13 21:05:09,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:09,523 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2019-10-13 21:05:09,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:05:09,525 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2019-10-13 21:05:09,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:09,526 INFO L225 Difference]: With dead ends: 59 [2019-10-13 21:05:09,526 INFO L226 Difference]: Without dead ends: 40 [2019-10-13 21:05:09,528 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 51 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:05:09,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2019-10-13 21:05:09,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 37. [2019-10-13 21:05:09,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2019-10-13 21:05:09,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2019-10-13 21:05:09,538 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 27 [2019-10-13 21:05:09,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:09,539 INFO L462 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2019-10-13 21:05:09,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:05:09,539 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2019-10-13 21:05:09,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2019-10-13 21:05:09,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:05:09,543 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:05:09,746 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:09,747 INFO L410 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:05:09,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:09,748 INFO L82 PathProgramCache]: Analyzing trace with hash -2086641938, now seen corresponding path program 1 times [2019-10-13 21:05:09,748 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:05:09,748 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430885077] [2019-10-13 21:05:09,748 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,749 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:05:09,749 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:05:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:05:09,924 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430885077] [2019-10-13 21:05:09,925 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790871041] [2019-10-13 21:05:09,925 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:05:10,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:05:10,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:05:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:05:10,091 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:05:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:05:10,205 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [2023970677] [2019-10-13 21:05:10,212 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 37 [2019-10-13 21:05:10,253 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:05:10,253 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:05:10,308 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:05:10,310 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. [2019-10-13 21:05:10,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:05:10,314 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:05:10,352 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-13 21:05:10,353 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:05:10,354 INFO L553 sIntCurrentIteration]: We unified 35 AI predicates to 35 [2019-10-13 21:05:10,355 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:05:10,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:05:10,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 6, 6] total 11 [2019-10-13 21:05:10,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882665741] [2019-10-13 21:05:10,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:05:10,357 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:05:10,357 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:05:10,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:05:10,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:05:10,358 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 2 states. [2019-10-13 21:05:10,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:05:10,360 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2019-10-13 21:05:10,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:05:10,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 36 [2019-10-13 21:05:10,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:05:10,361 INFO L225 Difference]: With dead ends: 37 [2019-10-13 21:05:10,361 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:05:10,362 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:05:10,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:05:10,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:05:10,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:05:10,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:05:10,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2019-10-13 21:05:10,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:05:10,363 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:05:10,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:05:10,363 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:05:10,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:05:10,567 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:05:10,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:05:10,659 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,659 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,659 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,659 INFO L446 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2019-10-13 21:05:10,660 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2019-10-13 21:05:10,660 INFO L439 ceAbstractionStarter]: At program point sll_remove_lastENTRY(lines 581 595) the Hoare annotation is: (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0)) (and (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0))) [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point L588-1(lines 588 591) no Hoare annotation was computed. [2019-10-13 21:05:10,663 INFO L443 ceAbstractionStarter]: For program point sll_remove_lastEXIT(lines 581 595) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L439 ceAbstractionStarter]: At program point L588-3(lines 588 591) the Hoare annotation is: (or (not (= 0 (select (select |old(#memory_$Pointer$.offset)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|))) (not (= (select (select |old(#memory_$Pointer$.base)| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0)) (and (= sll_remove_last_~head.base |sll_remove_last_#in~head.base|) (= (select (select |#memory_$Pointer$.base| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0) (= (select (select |#memory_$Pointer$.offset| |sll_remove_last_#in~head.base|) |sll_remove_last_#in~head.offset|) 0) (= |sll_remove_last_#in~head.offset| sll_remove_last_~head.offset))) [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point L588-4(lines 588 591) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point L582(lines 582 594) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point L582-2(lines 581 595) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,664 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L446 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: true [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point L575-1(line 575) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L446 ceAbstractionStarter]: At program point L574-3(lines 574 578) the Hoare annotation is: true [2019-10-13 21:05:10,665 INFO L443 ceAbstractionStarter]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2019-10-13 21:05:10,665 INFO L446 ceAbstractionStarter]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: true [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2019-10-13 21:05:10,666 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,669 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,669 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:05:10,669 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:05:10,669 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 596 610) the Hoare annotation is: true [2019-10-13 21:05:10,669 INFO L439 ceAbstractionStarter]: At program point L605(lines 596 610) the Hoare annotation is: false [2019-10-13 21:05:10,669 INFO L443 ceAbstractionStarter]: For program point L604(lines 604 606) no Hoare annotation was computed. [2019-10-13 21:05:10,670 INFO L439 ceAbstractionStarter]: At program point L602(line 602) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-10-13 21:05:10,670 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 608) no Hoare annotation was computed. [2019-10-13 21:05:10,670 INFO L443 ceAbstractionStarter]: For program point L602-1(lines 601 603) no Hoare annotation was computed. [2019-10-13 21:05:10,670 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 596 610) no Hoare annotation was computed. [2019-10-13 21:05:10,670 INFO L439 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: false [2019-10-13 21:05:10,670 INFO L439 ceAbstractionStarter]: At program point L601-2(lines 601 603) the Hoare annotation is: (and (= (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (= (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|) 0) (<= 2 main_~len~0)) [2019-10-13 21:05:10,670 INFO L443 ceAbstractionStarter]: For program point L599-1(line 599) no Hoare annotation was computed. [2019-10-13 21:05:10,670 INFO L443 ceAbstractionStarter]: For program point L601-3(lines 601 603) no Hoare annotation was computed. [2019-10-13 21:05:10,671 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 596 610) no Hoare annotation was computed. [2019-10-13 21:05:10,671 INFO L446 ceAbstractionStarter]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: true [2019-10-13 21:05:10,671 INFO L443 ceAbstractionStarter]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2019-10-13 21:05:10,671 INFO L446 ceAbstractionStarter]: At program point L566(line 566) the Hoare annotation is: true [2019-10-13 21:05:10,671 INFO L443 ceAbstractionStarter]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2019-10-13 21:05:10,671 INFO L443 ceAbstractionStarter]: For program point L565(lines 565 567) no Hoare annotation was computed. [2019-10-13 21:05:10,672 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2019-10-13 21:05:10,679 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,680 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,681 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,683 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,686 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,687 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:05:10 BoogieIcfgContainer [2019-10-13 21:05:10,691 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:05:10,695 INFO L168 Benchmark]: Toolchain (without parser) took 3895.32 ms. Allocated memory was 140.0 MB in the beginning and 247.5 MB in the end (delta: 107.5 MB). Free memory was 101.9 MB in the beginning and 157.7 MB in the end (delta: -55.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,697 INFO L168 Benchmark]: CDTParser took 1.08 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,698 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.35 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 169.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,699 INFO L168 Benchmark]: Boogie Preprocessor took 67.32 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 167.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,700 INFO L168 Benchmark]: RCFGBuilder took 627.99 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 121.6 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,701 INFO L168 Benchmark]: TraceAbstraction took 2612.76 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 121.0 MB in the beginning and 157.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:05:10,705 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.08 ms. Allocated memory is still 140.0 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 583.35 ms. Allocated memory was 140.0 MB in the beginning and 204.5 MB in the end (delta: 64.5 MB). Free memory was 101.7 MB in the beginning and 169.6 MB in the end (delta: -67.9 MB). Peak memory consumption was 23.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.32 ms. Allocated memory is still 204.5 MB. Free memory was 169.6 MB in the beginning and 167.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 627.99 ms. Allocated memory is still 204.5 MB. Free memory was 167.0 MB in the beginning and 121.6 MB in the end (delta: 45.3 MB). Peak memory consumption was 45.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2612.76 ms. Allocated memory was 204.5 MB in the beginning and 247.5 MB in the end (delta: 43.0 MB). Free memory was 121.0 MB in the beginning and 157.7 MB in the end (delta: -36.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 - 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 * 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_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 608]: 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: 596]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 601]: Loop Invariant [2019-10-13 21:05:10,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,724 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,725 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$[s][s] == 0 && #memory_$Pointer$[s][s] == 0) && 2 <= len - InvariantResult [Line: 588]: Loop Invariant [2019-10-13 21:05:10,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,726 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,728 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2019-10-13 21:05:10,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2019-10-13 21:05:10,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,730 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2019-10-13 21:05:10,731 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (!(0 == \old(#memory_$Pointer$)[head][head]) || !(\old(#memory_$Pointer$)[head][head] == 0)) || (((head == head && #memory_$Pointer$[head][head] == 0) && #memory_$Pointer$[head][head] == 0) && head == head) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 49 locations, 1 error locations. Result: SAFE, OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 158 SDtfs, 44 SDslu, 265 SDs, 0 SdLazy, 86 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 112 GetRequests, 92 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 23 PreInvPairs, 25 NumberOfFragments, 119 HoareAnnotationTreeSize, 23 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 184 NumberOfCodeBlocks, 184 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 12950 SizeOfPredicates, 4 NumberOfNonLiveVariables, 330 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 5/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 103, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9714285714285714, AVG_VARS_REMOVED_DURING_WEAKENING: 1.457142857142857, AVG_WEAKENED_CONJUNCTS: 0.17142857142857143, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...