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-ext3-properties/sll_of_sll_nondet_append-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:04:26,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:04:26,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:04:26,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:04:26,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:04:26,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:04:26,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:04:26,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:04:26,285 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:04:26,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:04:26,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:04:26,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:04:26,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:04:26,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:04:26,296 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:04:26,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:04:26,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:04:26,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:04:26,301 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:04:26,306 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:04:26,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:04:26,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:04:26,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:04:26,312 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:04:26,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:04:26,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:04:26,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:04:26,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:04:26,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:04:26,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:04:26,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:04:26,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:04:26,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:04:26,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:04:26,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:04:26,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:04:26,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:04:26,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:04:26,320 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:04:26,321 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:04:26,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:04:26,322 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 21:04:26,335 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:04:26,336 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:04:26,337 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:04:26,337 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:04:26,337 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:04:26,338 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:04:26,338 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:04:26,338 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:04:26,338 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:04:26,338 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:04:26,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:04:26,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:04:26,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:04:26,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:04:26,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:04:26,340 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:04:26,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:04:26,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:04:26,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:04:26,341 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:04:26,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:04:26,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:04:26,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:04:26,342 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 21:04:26,693 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:04:26,719 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:04:26,722 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:04:26,724 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:04:26,725 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:04:26,725 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext3-properties/sll_of_sll_nondet_append-2.i [2019-10-13 21:04:26,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88bf685/78a958ccc3ad436ea43e5ac9d479366b/FLAG99b36fc0e [2019-10-13 21:04:27,390 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:04:27,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-ext3-properties/sll_of_sll_nondet_append-2.i [2019-10-13 21:04:27,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88bf685/78a958ccc3ad436ea43e5ac9d479366b/FLAG99b36fc0e [2019-10-13 21:04:27,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca88bf685/78a958ccc3ad436ea43e5ac9d479366b [2019-10-13 21:04:27,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:04:27,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:04:27,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:04:27,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:04:27,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:04:27,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:04:27" (1/1) ... [2019-10-13 21:04:27,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1437ab1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:27, skipping insertion in model container [2019-10-13 21:04:27,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:04:27" (1/1) ... [2019-10-13 21:04:27,655 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:04:27,700 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:04:28,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:04:28,174 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:04:28,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:04:28,295 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:04:28,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28 WrapperNode [2019-10-13 21:04:28,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:04:28,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:04:28,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:04:28,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:04:28,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (1/1) ... [2019-10-13 21:04:28,387 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:04:28,390 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:04:28,390 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:04:28,390 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:04:28,391 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (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 21:04:28,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2019-10-13 21:04:28,442 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create_with_sublist [2019-10-13 21:04:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_length [2019-10-13 21:04:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_append [2019-10-13 21:04:28,443 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_hierarchical_destroy [2019-10-13 21:04:28,444 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:04:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:04:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:04:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-10-13 21:04:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-10-13 21:04:28,444 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-10-13 21:04:28,445 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-10-13 21:04:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-10-13 21:04:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-10-13 21:04:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-10-13 21:04:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-10-13 21:04:28,446 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-10-13 21:04:28,447 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-10-13 21:04:28,448 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-10-13 21:04:28,449 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-10-13 21:04:28,450 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-10-13 21:04:28,451 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-10-13 21:04:28,452 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-10-13 21:04:28,453 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-10-13 21:04:28,454 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-10-13 21:04:28,455 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-10-13 21:04:28,456 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-10-13 21:04:28,457 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-10-13 21:04:28,458 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:04:28,459 INFO L130 BoogieDeclarations]: Found specification of procedure node_create_with_sublist [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure sll_length [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure sll_append [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure sll_hierarchical_destroy [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:04:28,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:04:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:04:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-13 21:04:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:04:28,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:04:28,836 INFO L685 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-10-13 21:04:29,161 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:04:29,161 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-13 21:04:29,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:04:29 BoogieIcfgContainer [2019-10-13 21:04:29,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:04:29,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:04:29,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:04:29,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:04:29,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:04:27" (1/3) ... [2019-10-13 21:04:29,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ceb8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:04:29, skipping insertion in model container [2019-10-13 21:04:29,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:04:28" (2/3) ... [2019-10-13 21:04:29,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24ceb8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:04:29, skipping insertion in model container [2019-10-13 21:04:29,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:04:29" (3/3) ... [2019-10-13 21:04:29,175 INFO L109 eAbstractionObserver]: Analyzing ICFG sll_of_sll_nondet_append-2.i [2019-10-13 21:04:29,189 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:04:29,209 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:04:29,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:04:29,252 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:04:29,253 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:04:29,253 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:04:29,253 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:04:29,253 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:04:29,254 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:04:29,254 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:04:29,254 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:04:29,273 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2019-10-13 21:04:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 21:04:29,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:04:29,281 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] [2019-10-13 21:04:29,283 INFO L410 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:04:29,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:29,288 INFO L82 PathProgramCache]: Analyzing trace with hash 655141366, now seen corresponding path program 1 times [2019-10-13 21:04:29,297 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:04:29,298 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528573868] [2019-10-13 21:04:29,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,298 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,299 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:04:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:29,474 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 21:04:29,475 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528573868] [2019-10-13 21:04:29,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:04:29,480 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:04:29,480 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320915437] [2019-10-13 21:04:29,486 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:04:29,488 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:04:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:04:29,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:04:29,504 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2019-10-13 21:04:29,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:04:29,535 INFO L93 Difference]: Finished difference Result 134 states and 192 transitions. [2019-10-13 21:04:29,535 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:04:29,537 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 29 [2019-10-13 21:04:29,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:04:29,546 INFO L225 Difference]: With dead ends: 134 [2019-10-13 21:04:29,547 INFO L226 Difference]: Without dead ends: 53 [2019-10-13 21:04:29,550 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 21:04:29,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2019-10-13 21:04:29,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2019-10-13 21:04:29,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2019-10-13 21:04:29,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2019-10-13 21:04:29,612 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 29 [2019-10-13 21:04:29,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:04:29,613 INFO L462 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2019-10-13 21:04:29,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:04:29,613 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2019-10-13 21:04:29,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-13 21:04:29,615 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:04:29,616 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] [2019-10-13 21:04:29,616 INFO L410 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:04:29,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:29,616 INFO L82 PathProgramCache]: Analyzing trace with hash 1740250704, now seen corresponding path program 1 times [2019-10-13 21:04:29,617 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:04:29,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546469252] [2019-10-13 21:04:29,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,617 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,617 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:04:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:29,735 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 21:04:29,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546469252] [2019-10-13 21:04:29,736 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:04:29,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:04:29,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614676224] [2019-10-13 21:04:29,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:04:29,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:04:29,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:04:29,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:04:29,739 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand 3 states. [2019-10-13 21:04:29,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:04:29,830 INFO L93 Difference]: Finished difference Result 100 states and 124 transitions. [2019-10-13 21:04:29,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:04:29,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 29 [2019-10-13 21:04:29,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:04:29,833 INFO L225 Difference]: With dead ends: 100 [2019-10-13 21:04:29,833 INFO L226 Difference]: Without dead ends: 60 [2019-10-13 21:04:29,834 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:04:29,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2019-10-13 21:04:29,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2019-10-13 21:04:29,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-10-13 21:04:29,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2019-10-13 21:04:29,851 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 29 [2019-10-13 21:04:29,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:04:29,851 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2019-10-13 21:04:29,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:04:29,852 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2019-10-13 21:04:29,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-13 21:04:29,853 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:04:29,854 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] [2019-10-13 21:04:29,855 INFO L410 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:04:29,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:29,855 INFO L82 PathProgramCache]: Analyzing trace with hash 470407865, now seen corresponding path program 1 times [2019-10-13 21:04:29,855 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:04:29,855 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820538610] [2019-10-13 21:04:29,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,856 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:04:29,856 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:04:29,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:30,032 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 21:04:30,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820538610] [2019-10-13 21:04:30,033 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58849938] [2019-10-13 21:04:30,034 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 21:04:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:04:30,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2019-10-13 21:04:30,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:04:30,258 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 21:04:30,259 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:04:30,365 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 21:04:30,365 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1940756079] [2019-10-13 21:04:30,373 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 35 [2019-10-13 21:04:30,414 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:04:30,414 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:04:30,472 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:04:30,474 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 27 variables. [2019-10-13 21:04:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:04:30,478 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:04:30,518 INFO L227 lantSequenceWeakener]: Weakened 4 states. On average, predicates are now at 100% of their original sizes. [2019-10-13 21:04:30,518 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:04:30,520 INFO L553 sIntCurrentIteration]: We unified 33 AI predicates to 33 [2019-10-13 21:04:30,521 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:04:30,521 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:04:30,522 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [10, 4, 4] total 14 [2019-10-13 21:04:30,522 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98655886] [2019-10-13 21:04:30,523 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:04:30,523 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:04:30,524 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:04:30,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:04:30,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:04:30,524 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand 2 states. [2019-10-13 21:04:30,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:04:30,528 INFO L93 Difference]: Finished difference Result 54 states and 66 transitions. [2019-10-13 21:04:30,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:04:30,528 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2019-10-13 21:04:30,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:04:30,529 INFO L225 Difference]: With dead ends: 54 [2019-10-13 21:04:30,529 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:04:30,530 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 33 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 21:04:30,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:04:30,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:04:30,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:04:30,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:04:30,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2019-10-13 21:04:30,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:04:30,531 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:04:30,531 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:04:30,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:04:30,532 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:04:30,742 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:04:30,747 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:04:30,820 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:04:30,821 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:04:30,821 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:04:30,821 INFO L446 ceAbstractionStarter]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2019-10-13 21:04:30,821 INFO L443 ceAbstractionStarter]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2019-10-13 21:04:30,822 INFO L446 ceAbstractionStarter]: At program point L562(line 562) the Hoare annotation is: true [2019-10-13 21:04:30,822 INFO L446 ceAbstractionStarter]: At program point sll_appendENTRY(lines 594 606) the Hoare annotation is: true [2019-10-13 21:04:30,822 INFO L443 ceAbstractionStarter]: For program point sll_appendEXIT(lines 594 606) no Hoare annotation was computed. [2019-10-13 21:04:30,822 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 605) no Hoare annotation was computed. [2019-10-13 21:04:30,822 INFO L443 ceAbstractionStarter]: For program point L599-1(lines 599 601) no Hoare annotation was computed. [2019-10-13 21:04:30,823 INFO L446 ceAbstractionStarter]: At program point L599-3(lines 599 601) the Hoare annotation is: true [2019-10-13 21:04:30,823 INFO L443 ceAbstractionStarter]: For program point L598-2(lines 594 606) no Hoare annotation was computed. [2019-10-13 21:04:30,823 INFO L446 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: true [2019-10-13 21:04:30,823 INFO L443 ceAbstractionStarter]: For program point L599-4(lines 599 601) no Hoare annotation was computed. [2019-10-13 21:04:30,823 INFO L443 ceAbstractionStarter]: For program point L595-1(line 595) no Hoare annotation was computed. [2019-10-13 21:04:30,823 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 64 68) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 64 68) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 64 68) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L443 ceAbstractionStarter]: For program point sll_createEXIT(lines 564 576) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L446 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: true [2019-10-13 21:04:30,824 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 570) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 568 570) no Hoare annotation was computed. [2019-10-13 21:04:30,824 INFO L446 ceAbstractionStarter]: At program point sll_createENTRY(lines 564 576) the Hoare annotation is: true [2019-10-13 21:04:30,825 INFO L446 ceAbstractionStarter]: At program point L566-2(lines 566 574) the Hoare annotation is: true [2019-10-13 21:04:30,825 INFO L443 ceAbstractionStarter]: For program point L566-3(lines 566 574) no Hoare annotation was computed. [2019-10-13 21:04:30,825 INFO L443 ceAbstractionStarter]: For program point sll_createFINAL(lines 564 576) no Hoare annotation was computed. [2019-10-13 21:04:30,825 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 69 73) no Hoare annotation was computed. [2019-10-13 21:04:30,825 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 69 73) no Hoare annotation was computed. [2019-10-13 21:04:30,825 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 69 73) no Hoare annotation was computed. [2019-10-13 21:04:30,826 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:04:30,826 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-10-13 21:04:30,826 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:04:30,826 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:04:30,826 INFO L446 ceAbstractionStarter]: At program point node_create_with_sublistENTRY(lines 577 585) the Hoare annotation is: true [2019-10-13 21:04:30,826 INFO L443 ceAbstractionStarter]: For program point node_create_with_sublistFINAL(lines 577 585) no Hoare annotation was computed. [2019-10-13 21:04:30,827 INFO L443 ceAbstractionStarter]: For program point L582(line 582) no Hoare annotation was computed. [2019-10-13 21:04:30,827 INFO L446 ceAbstractionStarter]: At program point L580(line 580) the Hoare annotation is: true [2019-10-13 21:04:30,827 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 581) no Hoare annotation was computed. [2019-10-13 21:04:30,827 INFO L446 ceAbstractionStarter]: At program point L579-1(lines 579 581) the Hoare annotation is: true [2019-10-13 21:04:30,827 INFO L443 ceAbstractionStarter]: For program point node_create_with_sublistEXIT(lines 577 585) no Hoare annotation was computed. [2019-10-13 21:04:30,828 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 647) no Hoare annotation was computed. [2019-10-13 21:04:30,828 INFO L439 ceAbstractionStarter]: At program point L638-1(lines 636 648) the Hoare annotation is: false [2019-10-13 21:04:30,828 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 620 654) no Hoare annotation was computed. [2019-10-13 21:04:30,828 INFO L443 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2019-10-13 21:04:30,828 INFO L443 ceAbstractionStarter]: For program point L626-1(line 626) no Hoare annotation was computed. [2019-10-13 21:04:30,828 INFO L443 ceAbstractionStarter]: For program point L626-3(lines 626 628) no Hoare annotation was computed. [2019-10-13 21:04:30,829 INFO L439 ceAbstractionStarter]: At program point L626-5(lines 626 628) the Hoare annotation is: false [2019-10-13 21:04:30,829 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2019-10-13 21:04:30,829 INFO L443 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 652) no Hoare annotation was computed. [2019-10-13 21:04:30,829 INFO L439 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: false [2019-10-13 21:04:30,829 INFO L443 ceAbstractionStarter]: For program point L627-1(lines 626 628) no Hoare annotation was computed. [2019-10-13 21:04:30,830 INFO L443 ceAbstractionStarter]: For program point L640(lines 640 647) no Hoare annotation was computed. [2019-10-13 21:04:30,830 INFO L443 ceAbstractionStarter]: For program point L632-2(lines 632 649) no Hoare annotation was computed. [2019-10-13 21:04:30,830 INFO L439 ceAbstractionStarter]: At program point L632-3(lines 632 649) the Hoare annotation is: false [2019-10-13 21:04:30,830 INFO L443 ceAbstractionStarter]: For program point L632-4(lines 632 649) no Hoare annotation was computed. [2019-10-13 21:04:30,830 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 620 654) no Hoare annotation was computed. [2019-10-13 21:04:30,830 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 620 654) the Hoare annotation is: true [2019-10-13 21:04:30,830 INFO L439 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: false [2019-10-13 21:04:30,831 INFO L443 ceAbstractionStarter]: For program point L637-1(line 637) no Hoare annotation was computed. [2019-10-13 21:04:30,831 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 635) no Hoare annotation was computed. [2019-10-13 21:04:30,831 INFO L443 ceAbstractionStarter]: For program point L625-2(lines 625 629) no Hoare annotation was computed. [2019-10-13 21:04:30,831 INFO L439 ceAbstractionStarter]: At program point L625-3(lines 625 629) the Hoare annotation is: false [2019-10-13 21:04:30,831 INFO L439 ceAbstractionStarter]: At program point L625-4(lines 625 629) the Hoare annotation is: false [2019-10-13 21:04:30,831 INFO L446 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: true [2019-10-13 21:04:30,832 INFO L443 ceAbstractionStarter]: For program point L650-1(line 650) no Hoare annotation was computed. [2019-10-13 21:04:30,832 INFO L439 ceAbstractionStarter]: At program point L646(lines 620 654) the Hoare annotation is: false [2019-10-13 21:04:30,832 INFO L443 ceAbstractionStarter]: For program point sll_lengthEXIT(lines 586 593) no Hoare annotation was computed. [2019-10-13 21:04:30,832 INFO L446 ceAbstractionStarter]: At program point sll_lengthENTRY(lines 586 593) the Hoare annotation is: true [2019-10-13 21:04:30,832 INFO L446 ceAbstractionStarter]: At program point L588-2(lines 588 591) the Hoare annotation is: true [2019-10-13 21:04:30,832 INFO L443 ceAbstractionStarter]: For program point L588-3(lines 588 591) no Hoare annotation was computed. [2019-10-13 21:04:30,833 INFO L443 ceAbstractionStarter]: For program point sll_lengthFINAL(lines 586 593) no Hoare annotation was computed. [2019-10-13 21:04:30,833 INFO L446 ceAbstractionStarter]: At program point L611-2(lines 611 615) the Hoare annotation is: true [2019-10-13 21:04:30,833 INFO L443 ceAbstractionStarter]: For program point L611-3(lines 611 615) no Hoare annotation was computed. [2019-10-13 21:04:30,833 INFO L446 ceAbstractionStarter]: At program point L608-2(lines 608 618) the Hoare annotation is: true [2019-10-13 21:04:30,833 INFO L443 ceAbstractionStarter]: For program point L608-3(lines 607 619) no Hoare annotation was computed. [2019-10-13 21:04:30,833 INFO L446 ceAbstractionStarter]: At program point sll_hierarchical_destroyENTRY(lines 607 619) the Hoare annotation is: true [2019-10-13 21:04:30,834 INFO L443 ceAbstractionStarter]: For program point sll_hierarchical_destroyEXIT(lines 607 619) no Hoare annotation was computed. [2019-10-13 21:04:30,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:04:30 BoogieIcfgContainer [2019-10-13 21:04:30,844 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:04:30,847 INFO L168 Benchmark]: Toolchain (without parser) took 3207.06 ms. Allocated memory was 143.7 MB in the beginning and 230.2 MB in the end (delta: 86.5 MB). Free memory was 100.4 MB in the beginning and 96.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 90.5 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,848 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,849 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.62 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 100.0 MB in the beginning and 161.5 MB in the end (delta: -61.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,850 INFO L168 Benchmark]: Boogie Preprocessor took 90.73 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 158.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,851 INFO L168 Benchmark]: RCFGBuilder took 773.99 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 105.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,852 INFO L168 Benchmark]: TraceAbstraction took 1677.97 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 105.1 MB in the beginning and 96.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. [2019-10-13 21:04:30,857 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 143.7 MB. Free memory was 120.0 MB in the beginning and 119.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.62 ms. Allocated memory was 143.7 MB in the beginning and 199.2 MB in the end (delta: 55.6 MB). Free memory was 100.0 MB in the beginning and 161.5 MB in the end (delta: -61.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.73 ms. Allocated memory is still 199.2 MB. Free memory was 161.5 MB in the beginning and 158.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 773.99 ms. Allocated memory is still 199.2 MB. Free memory was 158.7 MB in the beginning and 105.1 MB in the end (delta: 53.6 MB). Peak memory consumption was 53.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 1677.97 ms. Allocated memory was 199.2 MB in the beginning and 230.2 MB in the end (delta: 30.9 MB). Free memory was 105.1 MB in the beginning and 96.3 MB in the end (delta: 8.8 MB). Peak memory consumption was 39.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 652]: 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: 611]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 632]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 566]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 636]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 620]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 77 locations, 1 error locations. Result: SAFE, OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 155 SDtfs, 7 SDslu, 51 SDs, 0 SdLazy, 15 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred 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, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 29 LocationsWithAnnotation, 66 PreInvPairs, 69 NumberOfFragments, 29 HoareAnnotationTreeSize, 66 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 29 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 8633 SizeOfPredicates, 3 NumberOfNonLiveVariables, 168 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 106, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 0.9545454545454546, AVG_VARS_REMOVED_DURING_WEAKENING: 1.4242424242424243, AVG_WEAKENED_CONJUNCTS: 0.18181818181818182, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...